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Finding the Fourth Proportional to 488,458.10, 732,687.15 and 329,025.80

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Solution

The fourth proportional to 488,458.10, 732,687.15 and 329,025.80 is: 493,538.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,458.10 : 732,687.15 = 329,025.80 : x
  2. Step 2: Convert to fraction form
    488,458.10/732,687.15 = 329,025.80/x
  3. Step 3: Cross multiply
    488,458.10x = 732,687.15 × 329,025.80
  4. Step 4: Simplify right side
    488,458.10x = 241,072,975,678.47
  5. Step 5: Solve for x
    x = 241,072,975,678.47/488,458.10
  6. Step 6: Final answer
    x = 493,538.70

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Similar ratio
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1.5x scale

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.