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Finding the Fourth Proportional to 536.81, 740.96 and 349.97

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Solution

The fourth proportional to 536.81, 740.96 and 349.97 is: 483.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    536.81 : 740.96 = 349.97 : x
  2. Step 2: Convert to fraction form
    536.81/740.96 = 349.97/x
  3. Step 3: Cross multiply
    536.81x = 740.96 × 349.97
  4. Step 4: Simplify right side
    536.81x = 259,308.32
  5. Step 5: Solve for x
    x = 259,308.32/536.81
  6. Step 6: Final answer
    x = 483.06

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.