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Finding the Fourth Proportional to 473,957.42, 654,061.79 and 272,753.58

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Solution

The fourth proportional to 473,957.42, 654,061.79 and 272,753.58 is: 376,400.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,957.42 : 654,061.79 = 272,753.58 : x
  2. Step 2: Convert to fraction form
    473,957.42/654,061.79 = 272,753.58/x
  3. Step 3: Cross multiply
    473,957.42x = 654,061.79 × 272,753.58
  4. Step 4: Simplify right side
    473,957.42x = 178,397,694,763.71
  5. Step 5: Solve for x
    x = 178,397,694,763.71/473,957.42
  6. Step 6: Final answer
    x = 376,400.26

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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.