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Finding the Fourth Proportional to 550,869.80, 826,239.10 and 151,551.16

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Solution

The fourth proportional to 550,869.80, 826,239.10 and 151,551.16 is: 227,308.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,869.80 : 826,239.10 = 151,551.16 : x
  2. Step 2: Convert to fraction form
    550,869.80/826,239.10 = 151,551.16/x
  3. Step 3: Cross multiply
    550,869.80x = 826,239.10 × 151,551.16
  4. Step 4: Simplify right side
    550,869.80x = 125,217,494,042.36
  5. Step 5: Solve for x
    x = 125,217,494,042.36/550,869.80
  6. Step 6: Final answer
    x = 227,308.69

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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.