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Finding the Fourth Proportional to 616,999.23, 925,404.98 and 237,864.65

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Solution

The fourth proportional to 616,999.23, 925,404.98 and 237,864.65 is: 356,760.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,999.23 : 925,404.98 = 237,864.65 : x
  2. Step 2: Convert to fraction form
    616,999.23/925,404.98 = 237,864.65/x
  3. Step 3: Cross multiply
    616,999.23x = 925,404.98 × 237,864.65
  4. Step 4: Simplify right side
    616,999.23x = 220,121,125,859.61
  5. Step 5: Solve for x
    x = 220,121,125,859.61/616,999.23
  6. Step 6: Final answer
    x = 356,760.78

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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.