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Finding the Fourth Proportional to 589.16, 813.04 and 327.17

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Solution

The fourth proportional to 589.16, 813.04 and 327.17 is: 451.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    589.16 : 813.04 = 327.17 : x
  2. Step 2: Convert to fraction form
    589.16/813.04 = 327.17/x
  3. Step 3: Cross multiply
    589.16x = 813.04 × 327.17
  4. Step 4: Simplify right side
    589.16x = 266,003.51
  5. Step 5: Solve for x
    x = 266,003.51/589.16
  6. Step 6: Final answer
    x = 451.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.