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Finding the Fourth Proportional to 395.02, 544.25 and 262

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Solution

The fourth proportional to 395.02, 544.25 and 262 is: 360.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    395.02 : 544.25 = 262 : x
  2. Step 2: Convert to fraction form
    395.02/544.25 = 262/x
  3. Step 3: Cross multiply
    395.02x = 544.25 × 262
  4. Step 4: Simplify right side
    395.02x = 142,593.50
  5. Step 5: Solve for x
    x = 142,593.50/395.02
  6. Step 6: Final answer
    x = 360.98

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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.