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Finding the Fourth Proportional to 576,999.45, 865,593.14 and 177,640.29

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Solution

The fourth proportional to 576,999.45, 865,593.14 and 177,640.29 is: 266,489.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,999.45 : 865,593.14 = 177,640.29 : x
  2. Step 2: Convert to fraction form
    576,999.45/865,593.14 = 177,640.29/x
  3. Step 3: Cross multiply
    576,999.45x = 865,593.14 × 177,640.29
  4. Step 4: Simplify right side
    576,999.45x = 153,764,215,523.41
  5. Step 5: Solve for x
    x = 153,764,215,523.41/576,999.45
  6. Step 6: Final answer
    x = 266,489.36

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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.