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Finding the Fourth Proportional to 632,772, 949,391.28 and 333,240.48

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Solution

The fourth proportional to 632,772, 949,391.28 and 333,240.48 is: 499,983.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,772 : 949,391.28 = 333,240.48 : x
  2. Step 2: Convert to fraction form
    632,772/949,391.28 = 333,240.48/x
  3. Step 3: Cross multiply
    632,772x = 949,391.28 × 333,240.48
  4. Step 4: Simplify right side
    632,772x = 316,375,605,855.01
  5. Step 5: Solve for x
    x = 316,375,605,855.01/632,772
  6. Step 6: Final answer
    x = 499,983.57

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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.