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Finding the Fourth Proportional to 588,793.32, 812,641.14 and 347,061.96

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Solution

The fourth proportional to 588,793.32, 812,641.14 and 347,061.96 is: 479,008.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,793.32 : 812,641.14 = 347,061.96 : x
  2. Step 2: Convert to fraction form
    588,793.32/812,641.14 = 347,061.96/x
  3. Step 3: Cross multiply
    588,793.32x = 812,641.14 × 347,061.96
  4. Step 4: Simplify right side
    588,793.32x = 282,036,826,825.03
  5. Step 5: Solve for x
    x = 282,036,826,825.03/588,793.32
  6. Step 6: Final answer
    x = 479,008.20

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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.