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Finding the Fourth Proportional to 468,763.72, 703,033.60 and 202,378.48

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Solution

The fourth proportional to 468,763.72, 703,033.60 and 202,378.48 is: 303,519.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,763.72 : 703,033.60 = 202,378.48 : x
  2. Step 2: Convert to fraction form
    468,763.72/703,033.60 = 202,378.48/x
  3. Step 3: Cross multiply
    468,763.72x = 703,033.60 × 202,378.48
  4. Step 4: Simplify right side
    468,763.72x = 142,278,871,356.93
  5. Step 5: Solve for x
    x = 142,278,871,356.93/468,763.72
  6. Step 6: Final answer
    x = 303,519.38

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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.