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Finding the Fourth Proportional to 531.14, 796.95 and 366.20

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Solution

The fourth proportional to 531.14, 796.95 and 366.20 is: 549.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    531.14 : 796.95 = 366.20 : x
  2. Step 2: Convert to fraction form
    531.14/796.95 = 366.20/x
  3. Step 3: Cross multiply
    531.14x = 796.95 × 366.20
  4. Step 4: Simplify right side
    531.14x = 291,839.11
  5. Step 5: Solve for x
    x = 291,839.11/531.14
  6. Step 6: Final answer
    x = 549.46

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Why These Related Problems?

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