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Finding the Fourth Proportional to 373,957.80, 560,936.70 and 224,658.60

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Solution

The fourth proportional to 373,957.80, 560,936.70 and 224,658.60 is: 336,987.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,957.80 : 560,936.70 = 224,658.60 : x
  2. Step 2: Convert to fraction form
    373,957.80/560,936.70 = 224,658.60/x
  3. Step 3: Cross multiply
    373,957.80x = 560,936.70 × 224,658.60
  4. Step 4: Simplify right side
    373,957.80x = 126,019,253,710.62
  5. Step 5: Solve for x
    x = 126,019,253,710.62/373,957.80
  6. Step 6: Final answer
    x = 336,987.90

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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.