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Finding the Fourth Proportional to 488,588.80, 732,956.10 and 173,020.90

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Solution

The fourth proportional to 488,588.80, 732,956.10 and 173,020.90 is: 259,557.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,588.80 : 732,956.10 = 173,020.90 : x
  2. Step 2: Convert to fraction form
    488,588.80/732,956.10 = 173,020.90/x
  3. Step 3: Cross multiply
    488,588.80x = 732,956.10 × 173,020.90
  4. Step 4: Simplify right side
    488,588.80x = 126,816,724,082.49
  5. Step 5: Solve for x
    x = 126,816,724,082.49/488,588.80
  6. Step 6: Final answer
    x = 259,557.17

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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.