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Finding the Fourth Proportional to 550,765.20, 826,099.20 and 151,370.40

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Solution

The fourth proportional to 550,765.20, 826,099.20 and 151,370.40 is: 227,042.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,765.20 : 826,099.20 = 151,370.40 : x
  2. Step 2: Convert to fraction form
    550,765.20/826,099.20 = 151,370.40/x
  3. Step 3: Cross multiply
    550,765.20x = 826,099.20 × 151,370.40
  4. Step 4: Simplify right side
    550,765.20x = 125,046,966,343.68
  5. Step 5: Solve for x
    x = 125,046,966,343.68/550,765.20
  6. Step 6: Final answer
    x = 227,042.24

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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.