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Finding the Fourth Proportional to 331,350.40, 496,442.40 and 284,694.40

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Solution

The fourth proportional to 331,350.40, 496,442.40 and 284,694.40 is: 426,540.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,350.40 : 496,442.40 = 284,694.40 : x
  2. Step 2: Convert to fraction form
    331,350.40/496,442.40 = 284,694.40/x
  3. Step 3: Cross multiply
    331,350.40x = 496,442.40 × 284,694.40
  4. Step 4: Simplify right side
    331,350.40x = 141,334,371,202.56
  5. Step 5: Solve for x
    x = 141,334,371,202.56/331,350.40
  6. Step 6: Final answer
    x = 426,540.52

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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.