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Finding the Fourth Proportional to 334.28, 500.81 and 291.08

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Solution

The fourth proportional to 334.28, 500.81 and 291.08 is: 436.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.28 : 500.81 = 291.08 : x
  2. Step 2: Convert to fraction form
    334.28/500.81 = 291.08/x
  3. Step 3: Cross multiply
    334.28x = 500.81 × 291.08
  4. Step 4: Simplify right side
    334.28x = 145,771.82
  5. Step 5: Solve for x
    x = 145,771.82/334.28
  6. Step 6: Final answer
    x = 436.08

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.