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Finding the Fourth Proportional to 322,951.86, 445,364.33 and 246,334.77

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Solution

The fourth proportional to 322,951.86, 445,364.33 and 246,334.77 is: 339,706.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,951.86 : 445,364.33 = 246,334.77 : x
  2. Step 2: Convert to fraction form
    322,951.86/445,364.33 = 246,334.77/x
  3. Step 3: Cross multiply
    322,951.86x = 445,364.33 × 246,334.77
  4. Step 4: Simplify right side
    322,951.86x = 109,708,718,565.08
  5. Step 5: Solve for x
    x = 109,708,718,565.08/322,951.86
  6. Step 6: Final answer
    x = 339,706.11

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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.