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Finding the Fourth Proportional to 491,722.28, 737,277.96 and 207,266.48

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Solution

The fourth proportional to 491,722.28, 737,277.96 and 207,266.48 is: 310,770.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,722.28 : 737,277.96 = 207,266.48 : x
  2. Step 2: Convert to fraction form
    491,722.28/737,277.96 = 207,266.48/x
  3. Step 3: Cross multiply
    491,722.28x = 737,277.96 × 207,266.48
  4. Step 4: Simplify right side
    491,722.28x = 152,813,007,550.78
  5. Step 5: Solve for x
    x = 152,813,007,550.78/491,722.28
  6. Step 6: Final answer
    x = 310,770.97

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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.