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Finding the Fourth Proportional to 656,604.70, 984,360.30 and 277,816.30

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Solution

The fourth proportional to 656,604.70, 984,360.30 and 277,816.30 is: 416,493.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,604.70 : 984,360.30 = 277,816.30 : x
  2. Step 2: Convert to fraction form
    656,604.70/984,360.30 = 277,816.30/x
  3. Step 3: Cross multiply
    656,604.70x = 984,360.30 × 277,816.30
  4. Step 4: Simplify right side
    656,604.70x = 273,471,336,412.89
  5. Step 5: Solve for x
    x = 273,471,336,412.89/656,604.70
  6. Step 6: Final answer
    x = 416,493.11

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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.