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Finding the Fourth Proportional to 317,195.88, 437,753.51 and 181,226.90

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Solution

The fourth proportional to 317,195.88, 437,753.51 and 181,226.90 is: 250,106.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,195.88 : 437,753.51 = 181,226.90 : x
  2. Step 2: Convert to fraction form
    317,195.88/437,753.51 = 181,226.90/x
  3. Step 3: Cross multiply
    317,195.88x = 437,753.51 × 181,226.90
  4. Step 4: Simplify right side
    317,195.88x = 79,332,711,581.42
  5. Step 5: Solve for x
    x = 79,332,711,581.42/317,195.88
  6. Step 6: Final answer
    x = 250,106.37

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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.