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Finding the Fourth Proportional to 246,489.60, 369,734.40 and 207,998.40

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Solution

The fourth proportional to 246,489.60, 369,734.40 and 207,998.40 is: 311,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,489.60 : 369,734.40 = 207,998.40 : x
  2. Step 2: Convert to fraction form
    246,489.60/369,734.40 = 207,998.40/x
  3. Step 3: Cross multiply
    246,489.60x = 369,734.40 × 207,998.40
  4. Step 4: Simplify right side
    246,489.60x = 76,904,163,624.96
  5. Step 5: Solve for x
    x = 76,904,163,624.96/246,489.60
  6. Step 6: Final answer
    x = 311,997.60

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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.