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Finding the Fourth Proportional to 656,874.20, 984,533.70 and 277,794.20

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Solution

The fourth proportional to 656,874.20, 984,533.70 and 277,794.20 is: 416,362.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,874.20 : 984,533.70 = 277,794.20 : x
  2. Step 2: Convert to fraction form
    656,874.20/984,533.70 = 277,794.20/x
  3. Step 3: Cross multiply
    656,874.20x = 984,533.70 × 277,794.20
  4. Step 4: Simplify right side
    656,874.20x = 273,497,751,564.54
  5. Step 5: Solve for x
    x = 273,497,751,564.54/656,874.20
  6. Step 6: Final answer
    x = 416,362.45

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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.