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Finding the Fourth Proportional to 936.37, 1,401.02 and 559.73

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Solution

The fourth proportional to 936.37, 1,401.02 and 559.73 is: 837.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    936.37 : 1,401.02 = 559.73 : x
  2. Step 2: Convert to fraction form
    936.37/1,401.02 = 559.73/x
  3. Step 3: Cross multiply
    936.37x = 1,401.02 × 559.73
  4. Step 4: Simplify right side
    936.37x = 784,191.00
  5. Step 5: Solve for x
    x = 784,191.00/936.37
  6. Step 6: Final answer
    x = 837.48

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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.