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Finding the Fourth Proportional to 531.62, 796.98 and 358.28

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Solution

The fourth proportional to 531.62, 796.98 and 358.28 is: 537.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    531.62 : 796.98 = 358.28 : x
  2. Step 2: Convert to fraction form
    531.62/796.98 = 358.28/x
  3. Step 3: Cross multiply
    531.62x = 796.98 × 358.28
  4. Step 4: Simplify right side
    531.62x = 285,541.99
  5. Step 5: Solve for x
    x = 285,541.99/531.62
  6. Step 6: Final answer
    x = 537.12

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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.