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Finding the Fourth Proportional to 527,250.60, 791,400.78 and 290,704.68

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Solution

The fourth proportional to 527,250.60, 791,400.78 and 290,704.68 is: 436,346.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,250.60 : 791,400.78 = 290,704.68 : x
  2. Step 2: Convert to fraction form
    527,250.60/791,400.78 = 290,704.68/x
  3. Step 3: Cross multiply
    527,250.60x = 791,400.78 × 290,704.68
  4. Step 4: Simplify right side
    527,250.60x = 230,063,910,501.65
  5. Step 5: Solve for x
    x = 230,063,910,501.65/527,250.60
  6. Step 6: Final answer
    x = 436,346.42

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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.