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Finding the Fourth Proportional to 625.52, 939.44 and 533.52

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Solution

The fourth proportional to 625.52, 939.44 and 533.52 is: 801.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    625.52 : 939.44 = 533.52 : x
  2. Step 2: Convert to fraction form
    625.52/939.44 = 533.52/x
  3. Step 3: Cross multiply
    625.52x = 939.44 × 533.52
  4. Step 4: Simplify right side
    625.52x = 501,210.03
  5. Step 5: Solve for x
    x = 501,210.03/625.52
  6. Step 6: Final answer
    x = 801.27

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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.