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Finding the Fourth Proportional to 262,606.38, 361,891.17 and 190,872.78

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Solution

The fourth proportional to 262,606.38, 361,891.17 and 190,872.78 is: 263,036.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,606.38 : 361,891.17 = 190,872.78 : x
  2. Step 2: Convert to fraction form
    262,606.38/361,891.17 = 190,872.78/x
  3. Step 3: Cross multiply
    262,606.38x = 361,891.17 × 190,872.78
  4. Step 4: Simplify right side
    262,606.38x = 69,075,173,675.35
  5. Step 5: Solve for x
    x = 69,075,173,675.35/262,606.38
  6. Step 6: Final answer
    x = 263,036.92

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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.