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Finding the Fourth Proportional to 373,548.38, 560,128.02 and 133,569.78

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Solution

The fourth proportional to 373,548.38, 560,128.02 and 133,569.78 is: 200,285.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,548.38 : 560,128.02 = 133,569.78 : x
  2. Step 2: Convert to fraction form
    373,548.38/560,128.02 = 133,569.78/x
  3. Step 3: Cross multiply
    373,548.38x = 560,128.02 × 133,569.78
  4. Step 4: Simplify right side
    373,548.38x = 74,816,175,735.39
  5. Step 5: Solve for x
    x = 74,816,175,735.39/373,548.38
  6. Step 6: Final answer
    x = 200,285.11

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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.