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Finding the Fourth Proportional to 317,715.52, 476,433.33 and 149,283.76

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Solution

The fourth proportional to 317,715.52, 476,433.33 and 149,283.76 is: 223,859.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,715.52 : 476,433.33 = 149,283.76 : x
  2. Step 2: Convert to fraction form
    317,715.52/476,433.33 = 149,283.76/x
  3. Step 3: Cross multiply
    317,715.52x = 476,433.33 × 149,283.76
  4. Step 4: Simplify right side
    317,715.52x = 71,123,758,891.72
  5. Step 5: Solve for x
    x = 71,123,758,891.72/317,715.52
  6. Step 6: Final answer
    x = 223,859.88

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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.