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Finding the Fourth Proportional to 362.81, 544.23 and 356.75

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Solution

The fourth proportional to 362.81, 544.23 and 356.75 is: 535.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.81 : 544.23 = 356.75 : x
  2. Step 2: Convert to fraction form
    362.81/544.23 = 356.75/x
  3. Step 3: Cross multiply
    362.81x = 544.23 × 356.75
  4. Step 4: Simplify right side
    362.81x = 194,154.05
  5. Step 5: Solve for x
    x = 194,154.05/362.81
  6. Step 6: Final answer
    x = 535.14

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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.