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Finding the Fourth Proportional to 322,549.80, 445,145.64 and 179,323.17

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Solution

The fourth proportional to 322,549.80, 445,145.64 and 179,323.17 is: 247,480.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,549.80 : 445,145.64 = 179,323.17 : x
  2. Step 2: Convert to fraction form
    322,549.80/445,145.64 = 179,323.17/x
  3. Step 3: Cross multiply
    322,549.80x = 445,145.64 × 179,323.17
  4. Step 4: Simplify right side
    322,549.80x = 79,824,927,276.48
  5. Step 5: Solve for x
    x = 79,824,927,276.48/322,549.80
  6. Step 6: Final answer
    x = 247,480.94

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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.