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Finding the Fourth Proportional to 445,302.72, 668,306.72 and 232,131.73

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Solution

The fourth proportional to 445,302.72, 668,306.72 and 232,131.73 is: 348,381.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,302.72 : 668,306.72 = 232,131.73 : x
  2. Step 2: Convert to fraction form
    445,302.72/668,306.72 = 232,131.73/x
  3. Step 3: Cross multiply
    445,302.72x = 668,306.72 × 232,131.73
  4. Step 4: Simplify right side
    445,302.72x = 155,135,195,084.23
  5. Step 5: Solve for x
    x = 155,135,195,084.23/445,302.72
  6. Step 6: Final answer
    x = 348,381.42

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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.