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Finding the Fourth Proportional to 486,033.67, 729,050.51 and 153,583.75

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Solution

The fourth proportional to 486,033.67, 729,050.51 and 153,583.75 is: 230,375.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,033.67 : 729,050.51 = 153,583.75 : x
  2. Step 2: Convert to fraction form
    486,033.67/729,050.51 = 153,583.75/x
  3. Step 3: Cross multiply
    486,033.67x = 729,050.51 × 153,583.75
  4. Step 4: Simplify right side
    486,033.67x = 111,970,311,265.21
  5. Step 5: Solve for x
    x = 111,970,311,265.21/486,033.67
  6. Step 6: Final answer
    x = 230,375.63

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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.