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Finding the Fourth Proportional to 322,508.70, 445,061.52 and 179,282.07

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Solution

The fourth proportional to 322,508.70, 445,061.52 and 179,282.07 is: 247,408.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,508.70 : 445,061.52 = 179,282.07 : x
  2. Step 2: Convert to fraction form
    322,508.70/445,061.52 = 179,282.07/x
  3. Step 3: Cross multiply
    322,508.70x = 445,061.52 × 179,282.07
  4. Step 4: Simplify right side
    322,508.70x = 79,791,550,582.95
  5. Step 5: Solve for x
    x = 79,791,550,582.95/322,508.70
  6. Step 6: Final answer
    x = 247,408.99

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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.