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Finding the Fourth Proportional to 341.64, 471.35 and 262.98

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Solution

The fourth proportional to 341.64, 471.35 and 262.98 is: 362.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    341.64 : 471.35 = 262.98 : x
  2. Step 2: Convert to fraction form
    341.64/471.35 = 262.98/x
  3. Step 3: Cross multiply
    341.64x = 471.35 × 262.98
  4. Step 4: Simplify right side
    341.64x = 123,954.31
  5. Step 5: Solve for x
    x = 123,954.31/341.64
  6. Step 6: Final answer
    x = 362.82

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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.