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Finding the Fourth Proportional to 588, 811.37 and 325.98

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Solution

The fourth proportional to 588, 811.37 and 325.98 is: 449.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    588 : 811.37 = 325.98 : x
  2. Step 2: Convert to fraction form
    588/811.37 = 325.98/x
  3. Step 3: Cross multiply
    588x = 811.37 × 325.98
  4. Step 4: Simplify right side
    588x = 264,490.39
  5. Step 5: Solve for x
    x = 264,490.39/588
  6. Step 6: Final answer
    x = 449.81

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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.