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Finding the Fourth Proportional to 414,310.61, 571,743 and 233,022.49

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Solution

The fourth proportional to 414,310.61, 571,743 and 233,022.49 is: 321,567.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,310.61 : 571,743 = 233,022.49 : x
  2. Step 2: Convert to fraction form
    414,310.61/571,743 = 233,022.49/x
  3. Step 3: Cross multiply
    414,310.61x = 571,743 × 233,022.49
  4. Step 4: Simplify right side
    414,310.61x = 133,228,974,641.36
  5. Step 5: Solve for x
    x = 133,228,974,641.36/414,310.61
  6. Step 6: Final answer
    x = 321,567.86

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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.