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Finding the Fourth Proportional to 331,759.38, 497,639.08 and 110,143.38

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Solution

The fourth proportional to 331,759.38, 497,639.08 and 110,143.38 is: 165,215.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,759.38 : 497,639.08 = 110,143.38 : x
  2. Step 2: Convert to fraction form
    331,759.38/497,639.08 = 110,143.38/x
  3. Step 3: Cross multiply
    331,759.38x = 497,639.08 × 110,143.38
  4. Step 4: Simplify right side
    331,759.38x = 54,811,650,291.29
  5. Step 5: Solve for x
    x = 54,811,650,291.29/331,759.38
  6. Step 6: Final answer
    x = 165,215.07

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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.