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Finding the Fourth Proportional to 488,701.80, 733,089.15 and 173,117.70

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Solution

The fourth proportional to 488,701.80, 733,089.15 and 173,117.70 is: 259,689.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,701.80 : 733,089.15 = 173,117.70 : x
  2. Step 2: Convert to fraction form
    488,701.80/733,089.15 = 173,117.70/x
  3. Step 3: Cross multiply
    488,701.80x = 733,089.15 × 173,117.70
  4. Step 4: Simplify right side
    488,701.80x = 126,910,707,542.96
  5. Step 5: Solve for x
    x = 126,910,707,542.96/488,701.80
  6. Step 6: Final answer
    x = 259,689.46

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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.