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Finding the Fourth Proportional to 317,908.20, 476,565.84 and 107,398.92

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Solution

The fourth proportional to 317,908.20, 476,565.84 and 107,398.92 is: 160,998.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,908.20 : 476,565.84 = 107,398.92 : x
  2. Step 2: Convert to fraction form
    317,908.20/476,565.84 = 107,398.92/x
  3. Step 3: Cross multiply
    317,908.20x = 476,565.84 × 107,398.92
  4. Step 4: Simplify right side
    317,908.20x = 51,182,656,524.89
  5. Step 5: Solve for x
    x = 51,182,656,524.89/317,908.20
  6. Step 6: Final answer
    x = 160,998.23

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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.