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Finding the Fourth Proportional to 336.55, 464.57 and 262.89

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Solution

The fourth proportional to 336.55, 464.57 and 262.89 is: 362.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.55 : 464.57 = 262.89 : x
  2. Step 2: Convert to fraction form
    336.55/464.57 = 262.89/x
  3. Step 3: Cross multiply
    336.55x = 464.57 × 262.89
  4. Step 4: Simplify right side
    336.55x = 122,130.48
  5. Step 5: Solve for x
    x = 122,130.48/336.55
  6. Step 6: Final answer
    x = 362.89

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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.