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Finding the Fourth Proportional to 618,792.66, 928,189.71 and 169,517.38

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Solution

The fourth proportional to 618,792.66, 928,189.71 and 169,517.38 is: 254,276.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,792.66 : 928,189.71 = 169,517.38 : x
  2. Step 2: Convert to fraction form
    618,792.66/928,189.71 = 169,517.38/x
  3. Step 3: Cross multiply
    618,792.66x = 928,189.71 × 169,517.38
  4. Step 4: Simplify right side
    618,792.66x = 157,344,287,782.16
  5. Step 5: Solve for x
    x = 157,344,287,782.16/618,792.66
  6. Step 6: Final answer
    x = 254,276.27

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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.