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Finding the Fourth Proportional to 393,348.80, 590,217.60 and 224,998.40

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Solution

The fourth proportional to 393,348.80, 590,217.60 and 224,998.40 is: 337,608.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,348.80 : 590,217.60 = 224,998.40 : x
  2. Step 2: Convert to fraction form
    393,348.80/590,217.60 = 224,998.40/x
  3. Step 3: Cross multiply
    393,348.80x = 590,217.60 × 224,998.40
  4. Step 4: Simplify right side
    393,348.80x = 132,798,015,651.84
  5. Step 5: Solve for x
    x = 132,798,015,651.84/393,348.80
  6. Step 6: Final answer
    x = 337,608.80

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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.