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Finding the Fourth Proportional to 317,788.68, 476,675.73 and 159,974.76

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Solution

The fourth proportional to 317,788.68, 476,675.73 and 159,974.76 is: 239,958.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,788.68 : 476,675.73 = 159,974.76 : x
  2. Step 2: Convert to fraction form
    317,788.68/476,675.73 = 159,974.76/x
  3. Step 3: Cross multiply
    317,788.68x = 476,675.73 × 159,974.76
  4. Step 4: Simplify right side
    317,788.68x = 76,256,085,504.57
  5. Step 5: Solve for x
    x = 76,256,085,504.57/317,788.68
  6. Step 6: Final answer
    x = 239,958.47

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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.