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Finding the Fourth Proportional to 283,233.60, 424,850.40 and 198,446.40

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Solution

The fourth proportional to 283,233.60, 424,850.40 and 198,446.40 is: 297,669.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,233.60 : 424,850.40 = 198,446.40 : x
  2. Step 2: Convert to fraction form
    283,233.60/424,850.40 = 198,446.40/x
  3. Step 3: Cross multiply
    283,233.60x = 424,850.40 × 198,446.40
  4. Step 4: Simplify right side
    283,233.60x = 84,310,032,418.56
  5. Step 5: Solve for x
    x = 84,310,032,418.56/283,233.60
  6. Step 6: Final answer
    x = 297,669.60

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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.