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Finding the Fourth Proportional to 295.42, 443.13 and 263.38

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Solution

The fourth proportional to 295.42, 443.13 and 263.38 is: 395.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.42 : 443.13 = 263.38 : x
  2. Step 2: Convert to fraction form
    295.42/443.13 = 263.38/x
  3. Step 3: Cross multiply
    295.42x = 443.13 × 263.38
  4. Step 4: Simplify right side
    295.42x = 116,711.58
  5. Step 5: Solve for x
    x = 116,711.58/295.42
  6. Step 6: Final answer
    x = 395.07

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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.