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Finding the Fourth Proportional to 488,443.60, 732,665.40 and 329,011.30

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Solution

The fourth proportional to 488,443.60, 732,665.40 and 329,011.30 is: 493,516.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,443.60 : 732,665.40 = 329,011.30 : x
  2. Step 2: Convert to fraction form
    488,443.60/732,665.40 = 329,011.30/x
  3. Step 3: Cross multiply
    488,443.60x = 732,665.40 × 329,011.30
  4. Step 4: Simplify right side
    488,443.60x = 241,055,195,719.02
  5. Step 5: Solve for x
    x = 241,055,195,719.02/488,443.60
  6. Step 6: Final answer
    x = 493,516.95

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Similar ratio
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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.