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Finding the Fourth Proportional to 495,793.44, 743,557.32 and 215,244

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Solution

The fourth proportional to 495,793.44, 743,557.32 and 215,244 is: 322,808.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,793.44 : 743,557.32 = 215,244 : x
  2. Step 2: Convert to fraction form
    495,793.44/743,557.32 = 215,244/x
  3. Step 3: Cross multiply
    495,793.44x = 743,557.32 × 215,244
  4. Step 4: Simplify right side
    495,793.44x = 160,046,251,786.08
  5. Step 5: Solve for x
    x = 160,046,251,786.08/495,793.44
  6. Step 6: Final answer
    x = 322,808.33

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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.