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Finding the Fourth Proportional to 322,592.40, 445,152.28 and 179,343.72

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Solution

The fourth proportional to 322,592.40, 445,152.28 and 179,343.72 is: 247,480.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,592.40 : 445,152.28 = 179,343.72 : x
  2. Step 2: Convert to fraction form
    322,592.40/445,152.28 = 179,343.72/x
  3. Step 3: Cross multiply
    322,592.40x = 445,152.28 × 179,343.72
  4. Step 4: Simplify right side
    322,592.40x = 79,835,265,861.68
  5. Step 5: Solve for x
    x = 79,835,265,861.68/322,592.40
  6. Step 6: Final answer
    x = 247,480.31

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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.