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Finding the Fourth Proportional to 532.81, 798.12 and 367.87

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Solution

The fourth proportional to 532.81, 798.12 and 367.87 is: 551.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.81 : 798.12 = 367.87 : x
  2. Step 2: Convert to fraction form
    532.81/798.12 = 367.87/x
  3. Step 3: Cross multiply
    532.81x = 798.12 × 367.87
  4. Step 4: Simplify right side
    532.81x = 293,604.40
  5. Step 5: Solve for x
    x = 293,604.40/532.81
  6. Step 6: Final answer
    x = 551.05

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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.