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Finding the Fourth Proportional to 532.99, 799 and 190.91

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Solution

The fourth proportional to 532.99, 799 and 190.91 is: 286.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.99 : 799 = 190.91 : x
  2. Step 2: Convert to fraction form
    532.99/799 = 190.91/x
  3. Step 3: Cross multiply
    532.99x = 799 × 190.91
  4. Step 4: Simplify right side
    532.99x = 152,537.09
  5. Step 5: Solve for x
    x = 152,537.09/532.99
  6. Step 6: Final answer
    x = 286.19

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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.