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Finding the Fourth Proportional to 502,831.80, 754,255.94 and 123,753.62

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Solution

The fourth proportional to 502,831.80, 754,255.94 and 123,753.62 is: 185,632.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,831.80 : 754,255.94 = 123,753.62 : x
  2. Step 2: Convert to fraction form
    502,831.80/754,255.94 = 123,753.62/x
  3. Step 3: Cross multiply
    502,831.80x = 754,255.94 × 123,753.62
  4. Step 4: Simplify right side
    502,831.80x = 93,341,904,248.37
  5. Step 5: Solve for x
    x = 93,341,904,248.37/502,831.80
  6. Step 6: Final answer
    x = 185,632.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.