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Finding the Fourth Proportional to 618,796.41, 928,195.42 and 169,521.20

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Solution

The fourth proportional to 618,796.41, 928,195.42 and 169,521.20 is: 254,282.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,796.41 : 928,195.42 = 169,521.20 : x
  2. Step 2: Convert to fraction form
    618,796.41/928,195.42 = 169,521.20/x
  3. Step 3: Cross multiply
    618,796.41x = 928,195.42 × 169,521.20
  4. Step 4: Simplify right side
    618,796.41x = 157,348,801,432.90
  5. Step 5: Solve for x
    x = 157,348,801,432.90/618,796.41
  6. Step 6: Final answer
    x = 254,282.02

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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.