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Finding the Fourth Proportional to 536.34, 740.22 and 300.30

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Solution

The fourth proportional to 536.34, 740.22 and 300.30 is: 414.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    536.34 : 740.22 = 300.30 : x
  2. Step 2: Convert to fraction form
    536.34/740.22 = 300.30/x
  3. Step 3: Cross multiply
    536.34x = 740.22 × 300.30
  4. Step 4: Simplify right side
    536.34x = 222,288.07
  5. Step 5: Solve for x
    x = 222,288.07/536.34
  6. Step 6: Final answer
    x = 414.45

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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.