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Finding the Fourth Proportional to 269,479.16, 404,304.03 and 79,940.27

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Solution

The fourth proportional to 269,479.16, 404,304.03 and 79,940.27 is: 119,935.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,479.16 : 404,304.03 = 79,940.27 : x
  2. Step 2: Convert to fraction form
    269,479.16/404,304.03 = 79,940.27/x
  3. Step 3: Cross multiply
    269,479.16x = 404,304.03 × 79,940.27
  4. Step 4: Simplify right side
    269,479.16x = 32,320,171,298.77
  5. Step 5: Solve for x
    x = 32,320,171,298.77/269,479.16
  6. Step 6: Final answer
    x = 119,935.70

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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.