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Finding the Fourth Proportional to 491,605.74, 737,410.95 and 171,756.27

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Solution

The fourth proportional to 491,605.74, 737,410.95 and 171,756.27 is: 257,635.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,605.74 : 737,410.95 = 171,756.27 : x
  2. Step 2: Convert to fraction form
    491,605.74/737,410.95 = 171,756.27/x
  3. Step 3: Cross multiply
    491,605.74x = 737,410.95 × 171,756.27
  4. Step 4: Simplify right side
    491,605.74x = 126,654,954,229.16
  5. Step 5: Solve for x
    x = 126,654,954,229.16/491,605.74
  6. Step 6: Final answer
    x = 257,635.22

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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.