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Finding the Fourth Proportional to 263.45, 363.53 and 152.92

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Solution

The fourth proportional to 263.45, 363.53 and 152.92 is: 211.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.45 : 363.53 = 152.92 : x
  2. Step 2: Convert to fraction form
    263.45/363.53 = 152.92/x
  3. Step 3: Cross multiply
    263.45x = 363.53 × 152.92
  4. Step 4: Simplify right side
    263.45x = 55,590.48
  5. Step 5: Solve for x
    x = 55,590.48/263.45
  6. Step 6: Final answer
    x = 211.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.