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Finding the Fourth Proportional to 373,057.55, 560,169.53 and 215,593.55

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Solution

The fourth proportional to 373,057.55, 560,169.53 and 215,593.55 is: 323,727.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,057.55 : 560,169.53 = 215,593.55 : x
  2. Step 2: Convert to fraction form
    373,057.55/560,169.53 = 215,593.55/x
  3. Step 3: Cross multiply
    373,057.55x = 560,169.53 × 215,593.55
  4. Step 4: Simplify right side
    373,057.55x = 120,768,936,496.56
  5. Step 5: Solve for x
    x = 120,768,936,496.56/373,057.55
  6. Step 6: Final answer
    x = 323,727.36

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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.