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Finding the Fourth Proportional to 488,525.80, 732,861.60 and 172,957.90

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Solution

The fourth proportional to 488,525.80, 732,861.60 and 172,957.90 is: 259,462.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,525.80 : 732,861.60 = 172,957.90 : x
  2. Step 2: Convert to fraction form
    488,525.80/732,861.60 = 172,957.90/x
  3. Step 3: Cross multiply
    488,525.80x = 732,861.60 × 172,957.90
  4. Step 4: Simplify right side
    488,525.80x = 126,754,203,326.64
  5. Step 5: Solve for x
    x = 126,754,203,326.64/488,525.80
  6. Step 6: Final answer
    x = 259,462.66

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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.