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Finding the Fourth Proportional to 488,494.70, 732,742.05 and 329,062.40

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Solution

The fourth proportional to 488,494.70, 732,742.05 and 329,062.40 is: 493,593.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,494.70 : 732,742.05 = 329,062.40 : x
  2. Step 2: Convert to fraction form
    488,494.70/732,742.05 = 329,062.40/x
  3. Step 3: Cross multiply
    488,494.70x = 732,742.05 × 329,062.40
  4. Step 4: Simplify right side
    488,494.70x = 241,117,857,553.92
  5. Step 5: Solve for x
    x = 241,117,857,553.92/488,494.70
  6. Step 6: Final answer
    x = 493,593.60

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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.