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Finding the Fourth Proportional to 296,086.98, 408,638.97 and 168,733.38

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Solution

The fourth proportional to 296,086.98, 408,638.97 and 168,733.38 is: 232,874.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,086.98 : 408,638.97 = 168,733.38 : x
  2. Step 2: Convert to fraction form
    296,086.98/408,638.97 = 168,733.38/x
  3. Step 3: Cross multiply
    296,086.98x = 408,638.97 × 168,733.38
  4. Step 4: Simplify right side
    296,086.98x = 68,951,034,607.82
  5. Step 5: Solve for x
    x = 68,951,034,607.82/296,086.98
  6. Step 6: Final answer
    x = 232,874.25

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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.