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Finding the Fourth Proportional to 656,196.57, 984,262.02 and 256,910.49

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Solution

The fourth proportional to 656,196.57, 984,262.02 and 256,910.49 is: 385,352.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,196.57 : 984,262.02 = 256,910.49 : x
  2. Step 2: Convert to fraction form
    656,196.57/984,262.02 = 256,910.49/x
  3. Step 3: Cross multiply
    656,196.57x = 984,262.02 × 256,910.49
  4. Step 4: Simplify right side
    656,196.57x = 252,867,237,846.59
  5. Step 5: Solve for x
    x = 252,867,237,846.59/656,196.57
  6. Step 6: Final answer
    x = 385,352.88

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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.