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Finding the Fourth Proportional to 587,737.20, 881,605.80 and 144,505.20

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Solution

The fourth proportional to 587,737.20, 881,605.80 and 144,505.20 is: 216,757.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,737.20 : 881,605.80 = 144,505.20 : x
  2. Step 2: Convert to fraction form
    587,737.20/881,605.80 = 144,505.20/x
  3. Step 3: Cross multiply
    587,737.20x = 881,605.80 × 144,505.20
  4. Step 4: Simplify right side
    587,737.20x = 127,396,622,450.16
  5. Step 5: Solve for x
    x = 127,396,622,450.16/587,737.20
  6. Step 6: Final answer
    x = 216,757.80

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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.