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Finding the Fourth Proportional to 532.86, 799.37 and 186.23

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Solution

The fourth proportional to 532.86, 799.37 and 186.23 is: 279.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.86 : 799.37 = 186.23 : x
  2. Step 2: Convert to fraction form
    532.86/799.37 = 186.23/x
  3. Step 3: Cross multiply
    532.86x = 799.37 × 186.23
  4. Step 4: Simplify right side
    532.86x = 148,868.44
  5. Step 5: Solve for x
    x = 148,868.44/532.86
  6. Step 6: Final answer
    x = 279.38

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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.