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Finding the Fourth Proportional to 550,726.30, 825,930.66 and 151,380.10

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Solution

The fourth proportional to 550,726.30, 825,930.66 and 151,380.10 is: 227,026.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,726.30 : 825,930.66 = 151,380.10 : x
  2. Step 2: Convert to fraction form
    550,726.30/825,930.66 = 151,380.10/x
  3. Step 3: Cross multiply
    550,726.30x = 825,930.66 × 151,380.10
  4. Step 4: Simplify right side
    550,726.30x = 125,029,465,903.87
  5. Step 5: Solve for x
    x = 125,029,465,903.87/550,726.30
  6. Step 6: Final answer
    x = 227,026.50

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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.