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Finding the Fourth Proportional to 322,862.86, 445,522.43 and 179,630.76

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Solution

The fourth proportional to 322,862.86, 445,522.43 and 179,630.76 is: 247,874.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,862.86 : 445,522.43 = 179,630.76 : x
  2. Step 2: Convert to fraction form
    322,862.86/445,522.43 = 179,630.76/x
  3. Step 3: Cross multiply
    322,862.86x = 445,522.43 × 179,630.76
  4. Step 4: Simplify right side
    322,862.86x = 80,029,533,807.31
  5. Step 5: Solve for x
    x = 80,029,533,807.31/322,862.86
  6. Step 6: Final answer
    x = 247,874.70

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1.5x scale

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.