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Finding the Fourth Proportional to 656,460.75, 984,691.05 and 207,496.86

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Solution

The fourth proportional to 656,460.75, 984,691.05 and 207,496.86 is: 311,245.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,460.75 : 984,691.05 = 207,496.86 : x
  2. Step 2: Convert to fraction form
    656,460.75/984,691.05 = 207,496.86/x
  3. Step 3: Cross multiply
    656,460.75x = 984,691.05 × 207,496.86
  4. Step 4: Simplify right side
    656,460.75x = 204,320,296,474.40
  5. Step 5: Solve for x
    x = 204,320,296,474.40/656,460.75
  6. Step 6: Final answer
    x = 311,245.26

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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.