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Finding the Fourth Proportional to 331,350.40, 497,025.60 and 109,734.40

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Solution

The fourth proportional to 331,350.40, 497,025.60 and 109,734.40 is: 164,601.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,350.40 : 497,025.60 = 109,734.40 : x
  2. Step 2: Convert to fraction form
    331,350.40/497,025.60 = 109,734.40/x
  3. Step 3: Cross multiply
    331,350.40x = 497,025.60 × 109,734.40
  4. Step 4: Simplify right side
    331,350.40x = 54,540,806,000.64
  5. Step 5: Solve for x
    x = 54,540,806,000.64/331,350.40
  6. Step 6: Final answer
    x = 164,601.60

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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.