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Finding the Fourth Proportional to 527,002.88, 790,526.18 and 153,025.88

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Solution

The fourth proportional to 527,002.88, 790,526.18 and 153,025.88 is: 229,545.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,002.88 : 790,526.18 = 153,025.88 : x
  2. Step 2: Convert to fraction form
    527,002.88/790,526.18 = 153,025.88/x
  3. Step 3: Cross multiply
    527,002.88x = 790,526.18 × 153,025.88
  4. Step 4: Simplify right side
    527,002.88x = 120,970,960,787.47
  5. Step 5: Solve for x
    x = 120,970,960,787.47/527,002.88
  6. Step 6: Final answer
    x = 229,545.16

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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.