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Finding the Fourth Proportional to 461,460.87, 636,816.13 and 254,729.39

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Solution

The fourth proportional to 461,460.87, 636,816.13 and 254,729.39 is: 351,526.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,460.87 : 636,816.13 = 254,729.39 : x
  2. Step 2: Convert to fraction form
    461,460.87/636,816.13 = 254,729.39/x
  3. Step 3: Cross multiply
    461,460.87x = 636,816.13 × 254,729.39
  4. Step 4: Simplify right side
    461,460.87x = 162,215,780,516.16
  5. Step 5: Solve for x
    x = 162,215,780,516.16/461,460.87
  6. Step 6: Final answer
    x = 351,526.62

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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.