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Finding the Fourth Proportional to 542,266.22, 813,513.12 and 163,214.69

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Solution

The fourth proportional to 542,266.22, 813,513.12 and 163,214.69 is: 244,856.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,266.22 : 813,513.12 = 163,214.69 : x
  2. Step 2: Convert to fraction form
    542,266.22/813,513.12 = 163,214.69/x
  3. Step 3: Cross multiply
    542,266.22x = 813,513.12 × 163,214.69
  4. Step 4: Simplify right side
    542,266.22x = 132,777,287,624.17
  5. Step 5: Solve for x
    x = 132,777,287,624.17/542,266.22
  6. Step 6: Final answer
    x = 244,856.28

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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.