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Finding the Fourth Proportional to 588.24, 811.59 and 339.53

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Solution

The fourth proportional to 588.24, 811.59 and 339.53 is: 468.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    588.24 : 811.59 = 339.53 : x
  2. Step 2: Convert to fraction form
    588.24/811.59 = 339.53/x
  3. Step 3: Cross multiply
    588.24x = 811.59 × 339.53
  4. Step 4: Simplify right side
    588.24x = 275,559.15
  5. Step 5: Solve for x
    x = 275,559.15/588.24
  6. Step 6: Final answer
    x = 468.44

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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.