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Finding the Fourth Proportional to 356.40, 534.60 and 241.08

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Solution

The fourth proportional to 356.40, 534.60 and 241.08 is: 361.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    356.40 : 534.60 = 241.08 : x
  2. Step 2: Convert to fraction form
    356.40/534.60 = 241.08/x
  3. Step 3: Cross multiply
    356.40x = 534.60 × 241.08
  4. Step 4: Simplify right side
    356.40x = 128,881.37
  5. Step 5: Solve for x
    x = 128,881.37/356.40
  6. Step 6: Final answer
    x = 361.62

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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.