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Finding the Fourth Proportional to 588, 811.52 and 352.04

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Solution

The fourth proportional to 588, 811.52 and 352.04 is: 485.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    588 : 811.52 = 352.04 : x
  2. Step 2: Convert to fraction form
    588/811.52 = 352.04/x
  3. Step 3: Cross multiply
    588x = 811.52 × 352.04
  4. Step 4: Simplify right side
    588x = 285,687.50
  5. Step 5: Solve for x
    x = 285,687.50/588
  6. Step 6: Final answer
    x = 485.86

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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.