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Finding the Fourth Proportional to 486,034.67, 729,052.01 and 153,584.75

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Solution

The fourth proportional to 486,034.67, 729,052.01 and 153,584.75 is: 230,377.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,034.67 : 729,052.01 = 153,584.75 : x
  2. Step 2: Convert to fraction form
    486,034.67/729,052.01 = 153,584.75/x
  3. Step 3: Cross multiply
    486,034.67x = 729,052.01 × 153,584.75
  4. Step 4: Simplify right side
    486,034.67x = 111,971,270,692.85
  5. Step 5: Solve for x
    x = 111,971,270,692.85/486,034.67
  6. Step 6: Final answer
    x = 230,377.13

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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.