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Finding the Fourth Proportional to 588,635.67, 812,472.54 and 347,079.15

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Solution

The fourth proportional to 588,635.67, 812,472.54 and 347,079.15 is: 479,060.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,635.67 : 812,472.54 = 347,079.15 : x
  2. Step 2: Convert to fraction form
    588,635.67/812,472.54 = 347,079.15/x
  3. Step 3: Cross multiply
    588,635.67x = 812,472.54 × 347,079.15
  4. Step 4: Simplify right side
    588,635.67x = 281,992,278,581.54
  5. Step 5: Solve for x
    x = 281,992,278,581.54/588,635.67
  6. Step 6: Final answer
    x = 479,060.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.