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Finding the Fourth Proportional to 296,581.48, 444,872.22 and 74,965.48

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Solution

The fourth proportional to 296,581.48, 444,872.22 and 74,965.48 is: 112,448.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,581.48 : 444,872.22 = 74,965.48 : x
  2. Step 2: Convert to fraction form
    296,581.48/444,872.22 = 74,965.48/x
  3. Step 3: Cross multiply
    296,581.48x = 444,872.22 × 74,965.48
  4. Step 4: Simplify right side
    296,581.48x = 33,350,059,510.97
  5. Step 5: Solve for x
    x = 33,350,059,510.97/296,581.48
  6. Step 6: Final answer
    x = 112,448.22

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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.