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Finding the Fourth Proportional to 541,694.92, 747,520.26 and 299,987.56

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Solution

The fourth proportional to 541,694.92, 747,520.26 and 299,987.56 is: 413,972.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,694.92 : 747,520.26 = 299,987.56 : x
  2. Step 2: Convert to fraction form
    541,694.92/747,520.26 = 299,987.56/x
  3. Step 3: Cross multiply
    541,694.92x = 747,520.26 × 299,987.56
  4. Step 4: Simplify right side
    541,694.92x = 224,246,778,847.97
  5. Step 5: Solve for x
    x = 224,246,778,847.97/541,694.92
  6. Step 6: Final answer
    x = 413,972.46

Related Problems

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Half scale
Find fourth proportional to 1,083,389.84, 1,495,040.52 and 599,975.12
Double scale
Find fourth proportional to 541,695.92, 747,521.64 and 299,988.56
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.