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Finding the Fourth Proportional to 362.37, 544.29 and 317.19

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Solution

The fourth proportional to 362.37, 544.29 and 317.19 is: 476.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.37 : 544.29 = 317.19 : x
  2. Step 2: Convert to fraction form
    362.37/544.29 = 317.19/x
  3. Step 3: Cross multiply
    362.37x = 544.29 × 317.19
  4. Step 4: Simplify right side
    362.37x = 172,643.35
  5. Step 5: Solve for x
    x = 172,643.35/362.37
  6. Step 6: Final answer
    x = 476.43

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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.