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Finding the Fourth Proportional to 379,552.80, 523,794 and 207,480.27

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Solution

The fourth proportional to 379,552.80, 523,794 and 207,480.27 is: 286,328.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,552.80 : 523,794 = 207,480.27 : x
  2. Step 2: Convert to fraction form
    379,552.80/523,794 = 207,480.27/x
  3. Step 3: Cross multiply
    379,552.80x = 523,794 × 207,480.27
  4. Step 4: Simplify right side
    379,552.80x = 108,676,920,544.38
  5. Step 5: Solve for x
    x = 108,676,920,544.38/379,552.80
  6. Step 6: Final answer
    x = 286,328.86

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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.