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Finding the Fourth Proportional to 317,523.60, 476,162.28 and 159,641.64

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Solution

The fourth proportional to 317,523.60, 476,162.28 and 159,641.64 is: 239,400.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,523.60 : 476,162.28 = 159,641.64 : x
  2. Step 2: Convert to fraction form
    317,523.60/476,162.28 = 159,641.64/x
  3. Step 3: Cross multiply
    317,523.60x = 476,162.28 × 159,641.64
  4. Step 4: Simplify right side
    317,523.60x = 76,015,327,285.34
  5. Step 5: Solve for x
    x = 76,015,327,285.34/317,523.60
  6. Step 6: Final answer
    x = 239,400.56

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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.