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Finding the Fourth Proportional to 656,881.20, 984,544.20 and 277,801.20

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Solution

The fourth proportional to 656,881.20, 984,544.20 and 277,801.20 is: 416,372.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,881.20 : 984,544.20 = 277,801.20 : x
  2. Step 2: Convert to fraction form
    656,881.20/984,544.20 = 277,801.20/x
  3. Step 3: Cross multiply
    656,881.20x = 984,544.20 × 277,801.20
  4. Step 4: Simplify right side
    656,881.20x = 273,507,560,213.04
  5. Step 5: Solve for x
    x = 273,507,560,213.04/656,881.20
  6. Step 6: Final answer
    x = 416,372.95

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1.5x scale

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.