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Finding the Fourth Proportional to 331,251.60, 496,877.40 and 231,200.40

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Solution

The fourth proportional to 331,251.60, 496,877.40 and 231,200.40 is: 346,800.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,251.60 : 496,877.40 = 231,200.40 : x
  2. Step 2: Convert to fraction form
    331,251.60/496,877.40 = 231,200.40/x
  3. Step 3: Cross multiply
    331,251.60x = 496,877.40 × 231,200.40
  4. Step 4: Simplify right side
    331,251.60x = 114,878,253,630.96
  5. Step 5: Solve for x
    x = 114,878,253,630.96/331,251.60
  6. Step 6: Final answer
    x = 346,800.60

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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.