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Finding the Fourth Proportional to 577,341.17, 865,761.14 and 222,105.85

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Solution

The fourth proportional to 577,341.17, 865,761.14 and 222,105.85 is: 333,062.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,341.17 : 865,761.14 = 222,105.85 : x
  2. Step 2: Convert to fraction form
    577,341.17/865,761.14 = 222,105.85/x
  3. Step 3: Cross multiply
    577,341.17x = 865,761.14 × 222,105.85
  4. Step 4: Simplify right side
    577,341.17x = 192,290,612,287.53
  5. Step 5: Solve for x
    x = 192,290,612,287.53/577,341.17
  6. Step 6: Final answer
    x = 333,062.36

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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.