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Finding the Fourth Proportional to 454,012.60, 680,782.42 and 169,469.15

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Solution

The fourth proportional to 454,012.60, 680,782.42 and 169,469.15 is: 254,115.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,012.60 : 680,782.42 = 169,469.15 : x
  2. Step 2: Convert to fraction form
    454,012.60/680,782.42 = 169,469.15/x
  3. Step 3: Cross multiply
    454,012.60x = 680,782.42 × 169,469.15
  4. Step 4: Simplify right side
    454,012.60x = 115,371,618,052.34
  5. Step 5: Solve for x
    x = 115,371,618,052.34/454,012.60
  6. Step 6: Final answer
    x = 254,115.45

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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.