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Finding the Fourth Proportional to 527,951.40, 792,162.57 and 243,489

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Solution

The fourth proportional to 527,951.40, 792,162.57 and 243,489 is: 365,342.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,951.40 : 792,162.57 = 243,489 : x
  2. Step 2: Convert to fraction form
    527,951.40/792,162.57 = 243,489/x
  3. Step 3: Cross multiply
    527,951.40x = 792,162.57 × 243,489
  4. Step 4: Simplify right side
    527,951.40x = 192,882,872,006.73
  5. Step 5: Solve for x
    x = 192,882,872,006.73/527,951.40
  6. Step 6: Final answer
    x = 365,342.10

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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.