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Finding the Fourth Proportional to 656,586.80, 984,912.60 and 341,658.80

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Solution

The fourth proportional to 656,586.80, 984,912.60 and 341,658.80 is: 512,505.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,586.80 : 984,912.60 = 341,658.80 : x
  2. Step 2: Convert to fraction form
    656,586.80/984,912.60 = 341,658.80/x
  3. Step 3: Cross multiply
    656,586.80x = 984,912.60 × 341,658.80
  4. Step 4: Simplify right side
    656,586.80x = 336,504,057,020.88
  5. Step 5: Solve for x
    x = 336,504,057,020.88/656,586.80
  6. Step 6: Final answer
    x = 512,505.06

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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.