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Finding the Fourth Proportional to 252,324.35, 378,521.36 and 92,379.32

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Solution

The fourth proportional to 252,324.35, 378,521.36 and 92,379.32 is: 138,581.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,324.35 : 378,521.36 = 92,379.32 : x
  2. Step 2: Convert to fraction form
    252,324.35/378,521.36 = 92,379.32/x
  3. Step 3: Cross multiply
    252,324.35x = 378,521.36 × 92,379.32
  4. Step 4: Simplify right side
    252,324.35x = 34,967,545,380.38
  5. Step 5: Solve for x
    x = 34,967,545,380.38/252,324.35
  6. Step 6: Final answer
    x = 138,581.73

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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.