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Finding the Fourth Proportional to 362.43, 544.50 and 313.83

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Solution

The fourth proportional to 362.43, 544.50 and 313.83 is: 471.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.43 : 544.50 = 313.83 : x
  2. Step 2: Convert to fraction form
    362.43/544.50 = 313.83/x
  3. Step 3: Cross multiply
    362.43x = 544.50 × 313.83
  4. Step 4: Simplify right side
    362.43x = 170,880.44
  5. Step 5: Solve for x
    x = 170,880.44/362.43
  6. Step 6: Final answer
    x = 471.49

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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.