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Finding the Fourth Proportional to 424,231.61, 585,424.67 and 233,243.54

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Solution

The fourth proportional to 424,231.61, 585,424.67 and 233,243.54 is: 321,867.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,231.61 : 585,424.67 = 233,243.54 : x
  2. Step 2: Convert to fraction form
    424,231.61/585,424.67 = 233,243.54/x
  3. Step 3: Cross multiply
    424,231.61x = 585,424.67 × 233,243.54
  4. Step 4: Simplify right side
    424,231.61x = 136,546,518,923.90
  5. Step 5: Solve for x
    x = 136,546,518,923.90/424,231.61
  6. Step 6: Final answer
    x = 321,867.85

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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.