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Finding the Fourth Proportional to 619,449.26, 928,995.28 and 170,184.78

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Solution

The fourth proportional to 619,449.26, 928,995.28 and 170,184.78 is: 255,228.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,449.26 : 928,995.28 = 170,184.78 : x
  2. Step 2: Convert to fraction form
    619,449.26/928,995.28 = 170,184.78/x
  3. Step 3: Cross multiply
    619,449.26x = 928,995.28 × 170,184.78
  4. Step 4: Simplify right side
    619,449.26x = 158,100,856,922.38
  5. Step 5: Solve for x
    x = 158,100,856,922.38/619,449.26
  6. Step 6: Final answer
    x = 255,228.10

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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.