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Finding the Fourth Proportional to 373,391.70, 560,087.55 and 231,350.10

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Solution

The fourth proportional to 373,391.70, 560,087.55 and 231,350.10 is: 347,025.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,391.70 : 560,087.55 = 231,350.10 : x
  2. Step 2: Convert to fraction form
    373,391.70/560,087.55 = 231,350.10/x
  3. Step 3: Cross multiply
    373,391.70x = 560,087.55 × 231,350.10
  4. Step 4: Simplify right side
    373,391.70x = 129,576,310,701.26
  5. Step 5: Solve for x
    x = 129,576,310,701.26/373,391.70
  6. Step 6: Final answer
    x = 347,025.15

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Similar ratio
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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.