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Finding the Fourth Proportional to 550,215.44, 825,158.68 and 165,948.20

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Solution

The fourth proportional to 550,215.44, 825,158.68 and 165,948.20 is: 248,872.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,215.44 : 825,158.68 = 165,948.20 : x
  2. Step 2: Convert to fraction form
    550,215.44/825,158.68 = 165,948.20/x
  3. Step 3: Cross multiply
    550,215.44x = 825,158.68 × 165,948.20
  4. Step 4: Simplify right side
    550,215.44x = 136,933,597,660.38
  5. Step 5: Solve for x
    x = 136,933,597,660.38/550,215.44
  6. Step 6: Final answer
    x = 248,872.69

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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.