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Finding the Fourth Proportional to 373,808.60, 560,720.82 and 133,938.12

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Solution

The fourth proportional to 373,808.60, 560,720.82 and 133,938.12 is: 200,910.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,808.60 : 560,720.82 = 133,938.12 : x
  2. Step 2: Convert to fraction form
    373,808.60/560,720.82 = 133,938.12/x
  3. Step 3: Cross multiply
    373,808.60x = 560,720.82 × 133,938.12
  4. Step 4: Simplify right side
    373,808.60x = 75,101,892,475.66
  5. Step 5: Solve for x
    x = 75,101,892,475.66/373,808.60
  6. Step 6: Final answer
    x = 200,910.02

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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.