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Finding the Fourth Proportional to 588,446.60, 881,978.70 and 272,235.56

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Solution

The fourth proportional to 588,446.60, 881,978.70 and 272,235.56 is: 408,033.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,446.60 : 881,978.70 = 272,235.56 : x
  2. Step 2: Convert to fraction form
    588,446.60/881,978.70 = 272,235.56/x
  3. Step 3: Cross multiply
    588,446.60x = 881,978.70 × 272,235.56
  4. Step 4: Simplify right side
    588,446.60x = 240,105,965,302.57
  5. Step 5: Solve for x
    x = 240,105,965,302.57/588,446.60
  6. Step 6: Final answer
    x = 408,033.57

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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.