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Finding the Fourth Proportional to 424,078.56, 585,229.68 and 233,111.52

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Solution

The fourth proportional to 424,078.56, 585,229.68 and 233,111.52 is: 321,694.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,078.56 : 585,229.68 = 233,111.52 : x
  2. Step 2: Convert to fraction form
    424,078.56/585,229.68 = 233,111.52/x
  3. Step 3: Cross multiply
    424,078.56x = 585,229.68 × 233,111.52
  4. Step 4: Simplify right side
    424,078.56x = 136,423,780,253.91
  5. Step 5: Solve for x
    x = 136,423,780,253.91/424,078.56
  6. Step 6: Final answer
    x = 321,694.59

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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.