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Finding the Fourth Proportional to 373,805.78, 560,716.61 and 133,935.30

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Solution

The fourth proportional to 373,805.78, 560,716.61 and 133,935.30 is: 200,905.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,805.78 : 560,716.61 = 133,935.30 : x
  2. Step 2: Convert to fraction form
    373,805.78/560,716.61 = 133,935.30/x
  3. Step 3: Cross multiply
    373,805.78x = 560,716.61 × 133,935.30
  4. Step 4: Simplify right side
    373,805.78x = 75,099,746,705.66
  5. Step 5: Solve for x
    x = 75,099,746,705.66/373,805.78
  6. Step 6: Final answer
    x = 200,905.80

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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.