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Finding the Fourth Proportional to 504,691.32, 757,238.94 and 205,194.90

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Solution

The fourth proportional to 504,691.32, 757,238.94 and 205,194.90 is: 307,874.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,691.32 : 757,238.94 = 205,194.90 : x
  2. Step 2: Convert to fraction form
    504,691.32/757,238.94 = 205,194.90/x
  3. Step 3: Cross multiply
    504,691.32x = 757,238.94 × 205,194.90
  4. Step 4: Simplify right side
    504,691.32x = 155,381,568,569.41
  5. Step 5: Solve for x
    x = 155,381,568,569.41/504,691.32
  6. Step 6: Final answer
    x = 307,874.46

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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.