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Finding the Fourth Proportional to 262,787.63, 362,647.28 and 149,610.38

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Solution

The fourth proportional to 262,787.63, 362,647.28 and 149,610.38 is: 206,462.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,787.63 : 362,647.28 = 149,610.38 : x
  2. Step 2: Convert to fraction form
    262,787.63/362,647.28 = 149,610.38/x
  3. Step 3: Cross multiply
    262,787.63x = 362,647.28 × 149,610.38
  4. Step 4: Simplify right side
    262,787.63x = 54,255,796,618.71
  5. Step 5: Solve for x
    x = 54,255,796,618.71/262,787.63
  6. Step 6: Final answer
    x = 206,462.52

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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.