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Finding the Fourth Proportional to 575,593.65, 862,898.13 and 220,862.25

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Solution

The fourth proportional to 575,593.65, 862,898.13 and 220,862.25 is: 331,104.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,593.65 : 862,898.13 = 220,862.25 : x
  2. Step 2: Convert to fraction form
    575,593.65/862,898.13 = 220,862.25/x
  3. Step 3: Cross multiply
    575,593.65x = 862,898.13 × 220,862.25
  4. Step 4: Simplify right side
    575,593.65x = 190,581,622,512.59
  5. Step 5: Solve for x
    x = 190,581,622,512.59/575,593.65
  6. Step 6: Final answer
    x = 331,104.46

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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.