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Finding the Fourth Proportional to 269,412.36, 404,116.62 and 79,873.56

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Solution

The fourth proportional to 269,412.36, 404,116.62 and 79,873.56 is: 119,809.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,412.36 : 404,116.62 = 79,873.56 : x
  2. Step 2: Convert to fraction form
    269,412.36/404,116.62 = 79,873.56/x
  3. Step 3: Cross multiply
    269,412.36x = 404,116.62 × 79,873.56
  4. Step 4: Simplify right side
    269,412.36x = 32,278,233,094.57
  5. Step 5: Solve for x
    x = 32,278,233,094.57/269,412.36
  6. Step 6: Final answer
    x = 119,809.77

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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.