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Finding the Fourth Proportional to 417,227.62, 625,867.85 and 161,182.30

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Solution

The fourth proportional to 417,227.62, 625,867.85 and 161,182.30 is: 241,783.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,227.62 : 625,867.85 = 161,182.30 : x
  2. Step 2: Convert to fraction form
    417,227.62/625,867.85 = 161,182.30/x
  3. Step 3: Cross multiply
    417,227.62x = 625,867.85 × 161,182.30
  4. Step 4: Simplify right side
    417,227.62x = 100,878,819,559.06
  5. Step 5: Solve for x
    x = 100,878,819,559.06/417,227.62
  6. Step 6: Final answer
    x = 241,783.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.