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Finding the Fourth Proportional to 532.25, 798.43 and 523.90

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Solution

The fourth proportional to 532.25, 798.43 and 523.90 is: 785.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.25 : 798.43 = 523.90 : x
  2. Step 2: Convert to fraction form
    532.25/798.43 = 523.90/x
  3. Step 3: Cross multiply
    532.25x = 798.43 × 523.90
  4. Step 4: Simplify right side
    532.25x = 418,294.17
  5. Step 5: Solve for x
    x = 418,294.17/532.25
  6. Step 6: Final answer
    x = 785.91

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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.