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Finding the Fourth Proportional to 488,046.30, 732,069.45 and 172,502.70

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Solution

The fourth proportional to 488,046.30, 732,069.45 and 172,502.70 is: 258,754.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,046.30 : 732,069.45 = 172,502.70 : x
  2. Step 2: Convert to fraction form
    488,046.30/732,069.45 = 172,502.70/x
  3. Step 3: Cross multiply
    488,046.30x = 732,069.45 × 172,502.70
  4. Step 4: Simplify right side
    488,046.30x = 126,283,956,712.52
  5. Step 5: Solve for x
    x = 126,283,956,712.52/488,046.30
  6. Step 6: Final answer
    x = 258,754.05

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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.