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Finding the Fourth Proportional to 488,498.30, 732,877.05 and 172,922.30

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Solution

The fourth proportional to 488,498.30, 732,877.05 and 172,922.30 is: 259,429.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,498.30 : 732,877.05 = 172,922.30 : x
  2. Step 2: Convert to fraction form
    488,498.30/732,877.05 = 172,922.30/x
  3. Step 3: Cross multiply
    488,498.30x = 732,877.05 × 172,922.30
  4. Step 4: Simplify right side
    488,498.30x = 126,730,785,103.22
  5. Step 5: Solve for x
    x = 126,730,785,103.22/488,498.30
  6. Step 6: Final answer
    x = 259,429.33

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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.