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Finding the Fourth Proportional to 579,738.30, 869,737.05 and 224,720.70

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Solution

The fourth proportional to 579,738.30, 869,737.05 and 224,720.70 is: 337,131.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,738.30 : 869,737.05 = 224,720.70 : x
  2. Step 2: Convert to fraction form
    579,738.30/869,737.05 = 224,720.70/x
  3. Step 3: Cross multiply
    579,738.30x = 869,737.05 × 224,720.70
  4. Step 4: Simplify right side
    579,738.30x = 195,447,918,691.94
  5. Step 5: Solve for x
    x = 195,447,918,691.94/579,738.30
  6. Step 6: Final answer
    x = 337,131.29

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1.5x scale

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.