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Finding the Fourth Proportional to 541,272.70, 812,103.45 and 225,826.30

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Solution

The fourth proportional to 541,272.70, 812,103.45 and 225,826.30 is: 338,820.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,272.70 : 812,103.45 = 225,826.30 : x
  2. Step 2: Convert to fraction form
    541,272.70/812,103.45 = 225,826.30/x
  3. Step 3: Cross multiply
    541,272.70x = 812,103.45 × 225,826.30
  4. Step 4: Simplify right side
    541,272.70x = 183,394,317,330.74
  5. Step 5: Solve for x
    x = 183,394,317,330.74/541,272.70
  6. Step 6: Final answer
    x = 338,820.56

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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.