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Finding the Fourth Proportional to 454,717.88, 682,129.50 and 151,139.18

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Solution

The fourth proportional to 454,717.88, 682,129.50 and 151,139.18 is: 226,726.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,717.88 : 682,129.50 = 151,139.18 : x
  2. Step 2: Convert to fraction form
    454,717.88/682,129.50 = 151,139.18/x
  3. Step 3: Cross multiply
    454,717.88x = 682,129.50 × 151,139.18
  4. Step 4: Simplify right side
    454,717.88x = 103,096,493,283.81
  5. Step 5: Solve for x
    x = 103,096,493,283.81/454,717.88
  6. Step 6: Final answer
    x = 226,726.28

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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.