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Finding the Fourth Proportional to 396,151.20, 594,254.16 and 159,494.40

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Solution

The fourth proportional to 396,151.20, 594,254.16 and 159,494.40 is: 239,252.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,151.20 : 594,254.16 = 159,494.40 : x
  2. Step 2: Convert to fraction form
    396,151.20/594,254.16 = 159,494.40/x
  3. Step 3: Cross multiply
    396,151.20x = 594,254.16 × 159,494.40
  4. Step 4: Simplify right side
    396,151.20x = 94,780,210,696.70
  5. Step 5: Solve for x
    x = 94,780,210,696.70/396,151.20
  6. Step 6: Final answer
    x = 239,252.62

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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.