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Finding the Fourth Proportional to 224,923.80, 337,385.70 and 207,816.60

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Solution

The fourth proportional to 224,923.80, 337,385.70 and 207,816.60 is: 311,724.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,923.80 : 337,385.70 = 207,816.60 : x
  2. Step 2: Convert to fraction form
    224,923.80/337,385.70 = 207,816.60/x
  3. Step 3: Cross multiply
    224,923.80x = 337,385.70 × 207,816.60
  4. Step 4: Simplify right side
    224,923.80x = 70,114,349,062.62
  5. Step 5: Solve for x
    x = 70,114,349,062.62/224,923.80
  6. Step 6: Final answer
    x = 311,724.90

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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.