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Finding the Fourth Proportional to 318,593.16, 439,608.18 and 182,600.91

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Solution

The fourth proportional to 318,593.16, 439,608.18 and 182,600.91 is: 251,960.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,593.16 : 439,608.18 = 182,600.91 : x
  2. Step 2: Convert to fraction form
    318,593.16/439,608.18 = 182,600.91/x
  3. Step 3: Cross multiply
    318,593.16x = 439,608.18 × 182,600.91
  4. Step 4: Simplify right side
    318,593.16x = 80,272,853,711.44
  5. Step 5: Solve for x
    x = 80,272,853,711.44/318,593.16
  6. Step 6: Final answer
    x = 251,960.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.