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Finding the Fourth Proportional to 541,991.44, 747,904.26 and 300,284.20

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Solution

The fourth proportional to 541,991.44, 747,904.26 and 300,284.20 is: 414,367.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,991.44 : 747,904.26 = 300,284.20 : x
  2. Step 2: Convert to fraction form
    541,991.44/747,904.26 = 300,284.20/x
  3. Step 3: Cross multiply
    541,991.44x = 747,904.26 × 300,284.20
  4. Step 4: Simplify right side
    541,991.44x = 224,583,832,390.69
  5. Step 5: Solve for x
    x = 224,583,832,390.69/541,991.44
  6. Step 6: Final answer
    x = 414,367.86

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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.