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Finding the Fourth Proportional to 863,768.88, 1,192,024.08 and 481,870.08

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Solution

The fourth proportional to 863,768.88, 1,192,024.08 and 481,870.08 is: 664,993.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,768.88 : 1,192,024.08 = 481,870.08 : x
  2. Step 2: Convert to fraction form
    863,768.88/1,192,024.08 = 481,870.08/x
  3. Step 3: Cross multiply
    863,768.88x = 1,192,024.08 × 481,870.08
  4. Step 4: Simplify right side
    863,768.88x = 574,400,738,791.53
  5. Step 5: Solve for x
    x = 574,400,738,791.53/863,768.88
  6. Step 6: Final answer
    x = 664,993.56

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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.