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Finding the Fourth Proportional to 262,788.63, 362,648.66 and 149,611.38

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Solution

The fourth proportional to 262,788.63, 362,648.66 and 149,611.38 is: 206,463.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,788.63 : 362,648.66 = 149,611.38 : x
  2. Step 2: Convert to fraction form
    262,788.63/362,648.66 = 149,611.38/x
  3. Step 3: Cross multiply
    262,788.63x = 362,648.66 × 149,611.38
  4. Step 4: Simplify right side
    262,788.63x = 54,256,366,477.75
  5. Step 5: Solve for x
    x = 54,256,366,477.75/262,788.63
  6. Step 6: Final answer
    x = 206,463.90

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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.