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Finding the Fourth Proportional to 534,891.60, 802,387.86 and 150,638.88

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Solution

The fourth proportional to 534,891.60, 802,387.86 and 150,638.88 is: 225,972.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,891.60 : 802,387.86 = 150,638.88 : x
  2. Step 2: Convert to fraction form
    534,891.60/802,387.86 = 150,638.88/x
  3. Step 3: Cross multiply
    534,891.60x = 802,387.86 × 150,638.88
  4. Step 4: Simplify right side
    534,891.60x = 120,870,808,556.00
  5. Step 5: Solve for x
    x = 120,870,808,556.00/534,891.60
  6. Step 6: Final answer
    x = 225,972.53

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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.