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Finding the Fourth Proportional to 424,414.80, 585,586.44 and 273,330

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Solution

The fourth proportional to 424,414.80, 585,586.44 and 273,330 is: 377,127.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,414.80 : 585,586.44 = 273,330 : x
  2. Step 2: Convert to fraction form
    424,414.80/585,586.44 = 273,330/x
  3. Step 3: Cross multiply
    424,414.80x = 585,586.44 × 273,330
  4. Step 4: Simplify right side
    424,414.80x = 160,058,341,645.20
  5. Step 5: Solve for x
    x = 160,058,341,645.20/424,414.80
  6. Step 6: Final answer
    x = 377,127.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.