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Finding the Fourth Proportional to 324,371.50, 447,630.89 and 179,187.28

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Solution

The fourth proportional to 324,371.50, 447,630.89 and 179,187.28 is: 247,277.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,371.50 : 447,630.89 = 179,187.28 : x
  2. Step 2: Convert to fraction form
    324,371.50/447,630.89 = 179,187.28/x
  3. Step 3: Cross multiply
    324,371.50x = 447,630.89 × 179,187.28
  4. Step 4: Simplify right side
    324,371.50x = 80,209,762,071.05
  5. Step 5: Solve for x
    x = 80,209,762,071.05/324,371.50
  6. Step 6: Final answer
    x = 247,277.46

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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.