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Finding the Fourth Proportional to 322,551.80, 445,148.40 and 179,325.17

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Solution

The fourth proportional to 322,551.80, 445,148.40 and 179,325.17 is: 247,483.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,551.80 : 445,148.40 = 179,325.17 : x
  2. Step 2: Convert to fraction form
    322,551.80/445,148.40 = 179,325.17/x
  3. Step 3: Cross multiply
    322,551.80x = 445,148.40 × 179,325.17
  4. Step 4: Simplify right side
    322,551.80x = 79,826,312,505.23
  5. Step 5: Solve for x
    x = 79,826,312,505.23/322,551.80
  6. Step 6: Final answer
    x = 247,483.70

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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.