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Finding the Fourth Proportional to 322,541.82, 445,068.94 and 177,323.71

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Solution

The fourth proportional to 322,541.82, 445,068.94 and 177,323.71 is: 244,685.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,541.82 : 445,068.94 = 177,323.71 : x
  2. Step 2: Convert to fraction form
    322,541.82/445,068.94 = 177,323.71/x
  3. Step 3: Cross multiply
    322,541.82x = 445,068.94 × 177,323.71
  4. Step 4: Simplify right side
    322,541.82x = 78,921,275,646.57
  5. Step 5: Solve for x
    x = 78,921,275,646.57/322,541.82
  6. Step 6: Final answer
    x = 244,685.40

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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.