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Finding the Fourth Proportional to 317,518.92, 476,249.40 and 107,158.68

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Solution

The fourth proportional to 317,518.92, 476,249.40 and 107,158.68 is: 160,728.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,518.92 : 476,249.40 = 107,158.68 : x
  2. Step 2: Convert to fraction form
    317,518.92/476,249.40 = 107,158.68/x
  3. Step 3: Cross multiply
    317,518.92x = 476,249.40 × 107,158.68
  4. Step 4: Simplify right side
    317,518.92x = 51,034,257,054.79
  5. Step 5: Solve for x
    x = 51,034,257,054.79/317,518.92
  6. Step 6: Final answer
    x = 160,728.24

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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.