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Finding the Fourth Proportional to 269,761.40, 404,642.10 and 170,034.20

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Solution

The fourth proportional to 269,761.40, 404,642.10 and 170,034.20 is: 255,051.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,761.40 : 404,642.10 = 170,034.20 : x
  2. Step 2: Convert to fraction form
    269,761.40/404,642.10 = 170,034.20/x
  3. Step 3: Cross multiply
    269,761.40x = 404,642.10 × 170,034.20
  4. Step 4: Simplify right side
    269,761.40x = 68,802,995,759.82
  5. Step 5: Solve for x
    x = 68,802,995,759.82/269,761.40
  6. Step 6: Final answer
    x = 255,051.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.