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Finding the Fourth Proportional to 262,697.22, 362,524.95 and 149,520.78

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Solution

The fourth proportional to 262,697.22, 362,524.95 and 149,520.78 is: 206,340.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,697.22 : 362,524.95 = 149,520.78 : x
  2. Step 2: Convert to fraction form
    262,697.22/362,524.95 = 149,520.78/x
  3. Step 3: Cross multiply
    262,697.22x = 362,524.95 × 149,520.78
  4. Step 4: Simplify right side
    262,697.22x = 54,205,013,293.46
  5. Step 5: Solve for x
    x = 54,205,013,293.46/262,697.22
  6. Step 6: Final answer
    x = 206,340.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.