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Finding the Fourth Proportional to 424,473.37, 585,856.43 and 243,306.61

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Solution

The fourth proportional to 424,473.37, 585,856.43 and 243,306.61 is: 335,810.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,473.37 : 585,856.43 = 243,306.61 : x
  2. Step 2: Convert to fraction form
    424,473.37/585,856.43 = 243,306.61/x
  3. Step 3: Cross multiply
    424,473.37x = 585,856.43 × 243,306.61
  4. Step 4: Simplify right side
    424,473.37x = 142,542,741,930.00
  5. Step 5: Solve for x
    x = 142,542,741,930.00/424,473.37
  6. Step 6: Final answer
    x = 335,810.80

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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.