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Finding the Fourth Proportional to 422,758.67, 634,079.68 and 233,568.59

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Solution

The fourth proportional to 422,758.67, 634,079.68 and 233,568.59 is: 350,320.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,758.67 : 634,079.68 = 233,568.59 : x
  2. Step 2: Convert to fraction form
    422,758.67/634,079.68 = 233,568.59/x
  3. Step 3: Cross multiply
    422,758.67x = 634,079.68 × 233,568.59
  4. Step 4: Simplify right side
    422,758.67x = 148,101,093,050.93
  5. Step 5: Solve for x
    x = 148,101,093,050.93/422,758.67
  6. Step 6: Final answer
    x = 350,320.66

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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.