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Finding the Fourth Proportional to 618,773.43, 928,160.88 and 169,498.17

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Solution

The fourth proportional to 618,773.43, 928,160.88 and 169,498.17 is: 254,247.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,773.43 : 928,160.88 = 169,498.17 : x
  2. Step 2: Convert to fraction form
    618,773.43/928,160.88 = 169,498.17/x
  3. Step 3: Cross multiply
    618,773.43x = 928,160.88 × 169,498.17
  4. Step 4: Simplify right side
    618,773.43x = 157,321,570,625.59
  5. Step 5: Solve for x
    x = 157,321,570,625.59/618,773.43
  6. Step 6: Final answer
    x = 254,247.46

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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.