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Finding the Fourth Proportional to 322,497.66, 445,035.42 and 177,302.39

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Solution

The fourth proportional to 322,497.66, 445,035.42 and 177,302.39 is: 244,671.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,497.66 : 445,035.42 = 177,302.39 : x
  2. Step 2: Convert to fraction form
    322,497.66/445,035.42 = 177,302.39/x
  3. Step 3: Cross multiply
    322,497.66x = 445,035.42 × 177,302.39
  4. Step 4: Simplify right side
    322,497.66x = 78,905,843,600.65
  5. Step 5: Solve for x
    x = 78,905,843,600.65/322,497.66
  6. Step 6: Final answer
    x = 244,671.06

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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.