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Finding the Fourth Proportional to 488,352.70, 732,615.45 and 172,992.70

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Solution

The fourth proportional to 488,352.70, 732,615.45 and 172,992.70 is: 259,519.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,352.70 : 732,615.45 = 172,992.70 : x
  2. Step 2: Convert to fraction form
    488,352.70/732,615.45 = 172,992.70/x
  3. Step 3: Cross multiply
    488,352.70x = 732,615.45 × 172,992.70
  4. Step 4: Simplify right side
    488,352.70x = 126,737,124,757.22
  5. Step 5: Solve for x
    x = 126,737,124,757.22/488,352.70
  6. Step 6: Final answer
    x = 259,519.66

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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.