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Finding the Fourth Proportional to 536, 803.48 and 262.36

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Solution

The fourth proportional to 536, 803.48 and 262.36 is: 393.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    536 : 803.48 = 262.36 : x
  2. Step 2: Convert to fraction form
    536/803.48 = 262.36/x
  3. Step 3: Cross multiply
    536x = 803.48 × 262.36
  4. Step 4: Simplify right side
    536x = 210,801.01
  5. Step 5: Solve for x
    x = 210,801.01/536
  6. Step 6: Final answer
    x = 393.29

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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.