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Finding the Fourth Proportional to 632,309.40, 948,962.10 and 277,568.28

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Solution

The fourth proportional to 632,309.40, 948,962.10 and 277,568.28 is: 416,571.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,309.40 : 948,962.10 = 277,568.28 : x
  2. Step 2: Convert to fraction form
    632,309.40/948,962.10 = 277,568.28/x
  3. Step 3: Cross multiply
    632,309.40x = 948,962.10 × 277,568.28
  4. Step 4: Simplify right side
    632,309.40x = 263,401,777,882.19
  5. Step 5: Solve for x
    x = 263,401,777,882.19/632,309.40
  6. Step 6: Final answer
    x = 416,571.03

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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.