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Finding the Fourth Proportional to 269,465.80, 404,256.30 and 82,496.20

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Solution

The fourth proportional to 269,465.80, 404,256.30 and 82,496.20 is: 123,761.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,465.80 : 404,256.30 = 82,496.20 : x
  2. Step 2: Convert to fraction form
    269,465.80/404,256.30 = 82,496.20/x
  3. Step 3: Cross multiply
    269,465.80x = 404,256.30 × 82,496.20
  4. Step 4: Simplify right side
    269,465.80x = 33,349,608,576.06
  5. Step 5: Solve for x
    x = 33,349,608,576.06/269,465.80
  6. Step 6: Final answer
    x = 123,761.93

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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.