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Finding the Fourth Proportional to 292,910.76, 404,234.28 and 165,598.20

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Solution

The fourth proportional to 292,910.76, 404,234.28 and 165,598.20 is: 228,535.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,910.76 : 404,234.28 = 165,598.20 : x
  2. Step 2: Convert to fraction form
    292,910.76/404,234.28 = 165,598.20/x
  3. Step 3: Cross multiply
    292,910.76x = 404,234.28 × 165,598.20
  4. Step 4: Simplify right side
    292,910.76x = 66,940,469,146.30
  5. Step 5: Solve for x
    x = 66,940,469,146.30/292,910.76
  6. Step 6: Final answer
    x = 228,535.37

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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.