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Finding the Fourth Proportional to 322,495.16, 445,031.97 and 177,299.89

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Solution

The fourth proportional to 322,495.16, 445,031.97 and 177,299.89 is: 244,667.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,495.16 : 445,031.97 = 177,299.89 : x
  2. Step 2: Convert to fraction form
    322,495.16/445,031.97 = 177,299.89/x
  3. Step 3: Cross multiply
    322,495.16x = 445,031.97 × 177,299.89
  4. Step 4: Simplify right side
    322,495.16x = 78,904,117,102.32
  5. Step 5: Solve for x
    x = 78,904,117,102.32/322,495.16
  6. Step 6: Final answer
    x = 244,667.60

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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.