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Finding the Fourth Proportional to 269,888.28, 404,832.42 and 82,875.48

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Solution

The fourth proportional to 269,888.28, 404,832.42 and 82,875.48 is: 124,313.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,888.28 : 404,832.42 = 82,875.48 : x
  2. Step 2: Convert to fraction form
    269,888.28/404,832.42 = 82,875.48/x
  3. Step 3: Cross multiply
    269,888.28x = 404,832.42 × 82,875.48
  4. Step 4: Simplify right side
    269,888.28x = 33,550,681,127.06
  5. Step 5: Solve for x
    x = 33,550,681,127.06/269,888.28
  6. Step 6: Final answer
    x = 124,313.22

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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.