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Finding the Fourth Proportional to 321,324.04, 443,377.02 and 185,363.11

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Solution

The fourth proportional to 321,324.04, 443,377.02 and 185,363.11 is: 255,772.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,324.04 : 443,377.02 = 185,363.11 : x
  2. Step 2: Convert to fraction form
    321,324.04/443,377.02 = 185,363.11/x
  3. Step 3: Cross multiply
    321,324.04x = 443,377.02 × 185,363.11
  4. Step 4: Simplify right side
    321,324.04x = 82,185,743,329.73
  5. Step 5: Solve for x
    x = 82,185,743,329.73/321,324.04
  6. Step 6: Final answer
    x = 255,772.16

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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.