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Finding the Fourth Proportional to 488,234.88, 732,396.06 and 172,694.52

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Solution

The fourth proportional to 488,234.88, 732,396.06 and 172,694.52 is: 259,057.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,234.88 : 732,396.06 = 172,694.52 : x
  2. Step 2: Convert to fraction form
    488,234.88/732,396.06 = 172,694.52/x
  3. Step 3: Cross multiply
    488,234.88x = 732,396.06 × 172,694.52
  4. Step 4: Simplify right side
    488,234.88x = 126,480,786,031.59
  5. Step 5: Solve for x
    x = 126,480,786,031.59/488,234.88
  6. Step 6: Final answer
    x = 259,057.25

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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.