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Finding the Fourth Proportional to 373,373.20, 560,059.80 and 231,331.60

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Solution

The fourth proportional to 373,373.20, 560,059.80 and 231,331.60 is: 346,997.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,373.20 : 560,059.80 = 231,331.60 : x
  2. Step 2: Convert to fraction form
    373,373.20/560,059.80 = 231,331.60/x
  3. Step 3: Cross multiply
    373,373.20x = 560,059.80 × 231,331.60
  4. Step 4: Simplify right side
    373,373.20x = 129,559,529,629.68
  5. Step 5: Solve for x
    x = 129,559,529,629.68/373,373.20
  6. Step 6: Final answer
    x = 346,997.40

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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.