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Finding the Fourth Proportional to 536.63, 741.15 and 361.67

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Solution

The fourth proportional to 536.63, 741.15 and 361.67 is: 499.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    536.63 : 741.15 = 361.67 : x
  2. Step 2: Convert to fraction form
    536.63/741.15 = 361.67/x
  3. Step 3: Cross multiply
    536.63x = 741.15 × 361.67
  4. Step 4: Simplify right side
    536.63x = 268,048.01
  5. Step 5: Solve for x
    x = 268,048.01/536.63
  6. Step 6: Final answer
    x = 499.51

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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.