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Finding the Fourth Proportional to 550,498.80, 825,749.46 and 151,145.04

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Solution

The fourth proportional to 550,498.80, 825,749.46 and 151,145.04 is: 226,717.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,498.80 : 825,749.46 = 151,145.04 : x
  2. Step 2: Convert to fraction form
    550,498.80/825,749.46 = 151,145.04/x
  3. Step 3: Cross multiply
    550,498.80x = 825,749.46 × 151,145.04
  4. Step 4: Simplify right side
    550,498.80x = 124,807,935,161.68
  5. Step 5: Solve for x
    x = 124,807,935,161.68/550,498.80
  6. Step 6: Final answer
    x = 226,717.91

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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.