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Finding the Fourth Proportional to 262,990.28, 362,837.94 and 149,732.84

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Solution

The fourth proportional to 262,990.28, 362,837.94 and 149,732.84 is: 206,580.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,990.28 : 362,837.94 = 149,732.84 : x
  2. Step 2: Convert to fraction form
    262,990.28/362,837.94 = 149,732.84/x
  3. Step 3: Cross multiply
    262,990.28x = 362,837.94 × 149,732.84
  4. Step 4: Simplify right side
    262,990.28x = 54,328,755,215.95
  5. Step 5: Solve for x
    x = 54,328,755,215.95/262,990.28
  6. Step 6: Final answer
    x = 206,580.85

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1.5x scale

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.