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Finding the Fourth Proportional to 488,337.60, 732,499.56 and 296,257.80

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Solution

The fourth proportional to 488,337.60, 732,499.56 and 296,257.80 is: 444,382.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,337.60 : 732,499.56 = 296,257.80 : x
  2. Step 2: Convert to fraction form
    488,337.60/732,499.56 = 296,257.80/x
  3. Step 3: Cross multiply
    488,337.60x = 732,499.56 × 296,257.80
  4. Step 4: Simplify right side
    488,337.60x = 217,008,708,146.57
  5. Step 5: Solve for x
    x = 217,008,708,146.57/488,337.60
  6. Step 6: Final answer
    x = 444,382.55

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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.