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Finding the Fourth Proportional to 488,548.20, 732,822.30 and 172,964.10

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Solution

The fourth proportional to 488,548.20, 732,822.30 and 172,964.10 is: 259,446.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,548.20 : 732,822.30 = 172,964.10 : x
  2. Step 2: Convert to fraction form
    488,548.20/732,822.30 = 172,964.10/x
  3. Step 3: Cross multiply
    488,548.20x = 732,822.30 × 172,964.10
  4. Step 4: Simplify right side
    488,548.20x = 126,751,949,579.43
  5. Step 5: Solve for x
    x = 126,751,949,579.43/488,548.20
  6. Step 6: Final answer
    x = 259,446.15

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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.