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Finding the Fourth Proportional to 547,229.92, 820,971.32 and 173,252.92

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Solution

The fourth proportional to 547,229.92, 820,971.32 and 173,252.92 is: 259,919.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,229.92 : 820,971.32 = 173,252.92 : x
  2. Step 2: Convert to fraction form
    547,229.92/820,971.32 = 173,252.92/x
  3. Step 3: Cross multiply
    547,229.92x = 820,971.32 × 173,252.92
  4. Step 4: Simplify right side
    547,229.92x = 142,235,678,426.25
  5. Step 5: Solve for x
    x = 142,235,678,426.25/547,229.92
  6. Step 6: Final answer
    x = 259,919.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.