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Finding the Fourth Proportional to 579,734.80, 869,731.80 and 224,717.20

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Solution

The fourth proportional to 579,734.80, 869,731.80 and 224,717.20 is: 337,126.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,734.80 : 869,731.80 = 224,717.20 : x
  2. Step 2: Convert to fraction form
    579,734.80/869,731.80 = 224,717.20/x
  3. Step 3: Cross multiply
    579,734.80x = 869,731.80 × 224,717.20
  4. Step 4: Simplify right side
    579,734.80x = 195,443,694,846.96
  5. Step 5: Solve for x
    x = 195,443,694,846.96/579,734.80
  6. Step 6: Final answer
    x = 337,126.04

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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.