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Finding the Fourth Proportional to 322,585.13, 445,178.83 and 177,401.95

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Solution

The fourth proportional to 322,585.13, 445,178.83 and 177,401.95 is: 244,820.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,585.13 : 445,178.83 = 177,401.95 : x
  2. Step 2: Convert to fraction form
    322,585.13/445,178.83 = 177,401.95/x
  3. Step 3: Cross multiply
    322,585.13x = 445,178.83 × 177,401.95
  4. Step 4: Simplify right side
    322,585.13x = 78,975,592,540.72
  5. Step 5: Solve for x
    x = 78,975,592,540.72/322,585.13
  6. Step 6: Final answer
    x = 244,820.93

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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.