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Finding the Fourth Proportional to 414,391.31, 571,910.60 and 233,110.88

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Solution

The fourth proportional to 414,391.31, 571,910.60 and 233,110.88 is: 321,721.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,391.31 : 571,910.60 = 233,110.88 : x
  2. Step 2: Convert to fraction form
    414,391.31/571,910.60 = 233,110.88/x
  3. Step 3: Cross multiply
    414,391.31x = 571,910.60 × 233,110.88
  4. Step 4: Simplify right side
    414,391.31x = 133,318,583,247.33
  5. Step 5: Solve for x
    x = 133,318,583,247.33/414,391.31
  6. Step 6: Final answer
    x = 321,721.47

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1.5x scale

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.