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Finding the Fourth Proportional to 364.72, 547.50 and 262.60

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Solution

The fourth proportional to 364.72, 547.50 and 262.60 is: 394.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.72 : 547.50 = 262.60 : x
  2. Step 2: Convert to fraction form
    364.72/547.50 = 262.60/x
  3. Step 3: Cross multiply
    364.72x = 547.50 × 262.60
  4. Step 4: Simplify right side
    364.72x = 143,773.50
  5. Step 5: Solve for x
    x = 143,773.50/364.72
  6. Step 6: Final answer
    x = 394.20

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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.