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Finding the Fourth Proportional to 541,138.44, 746,601.78 and 326,344.20

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Solution

The fourth proportional to 541,138.44, 746,601.78 and 326,344.20 is: 450,252.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,138.44 : 746,601.78 = 326,344.20 : x
  2. Step 2: Convert to fraction form
    541,138.44/746,601.78 = 326,344.20/x
  3. Step 3: Cross multiply
    541,138.44x = 746,601.78 × 326,344.20
  4. Step 4: Simplify right side
    541,138.44x = 243,649,160,612.68
  5. Step 5: Solve for x
    x = 243,649,160,612.68/541,138.44
  6. Step 6: Final answer
    x = 450,252.92

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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.