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Finding the Fourth Proportional to 984,500, 1,358,610.60 and 531,791.12

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Solution

The fourth proportional to 984,500, 1,358,610.60 and 531,791.12 is: 733,872.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,500 : 1,358,610.60 = 531,791.12 : x
  2. Step 2: Convert to fraction form
    984,500/1,358,610.60 = 531,791.12/x
  3. Step 3: Cross multiply
    984,500x = 1,358,610.60 × 531,791.12
  4. Step 4: Simplify right side
    984,500x = 722,497,052,617.87
  5. Step 5: Solve for x
    x = 722,497,052,617.87/984,500
  6. Step 6: Final answer
    x = 733,872.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.