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Finding the Fourth Proportional to 590.94, 886.71 and 331.23

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Solution

The fourth proportional to 590.94, 886.71 and 331.23 is: 497.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    590.94 : 886.71 = 331.23 : x
  2. Step 2: Convert to fraction form
    590.94/886.71 = 331.23/x
  3. Step 3: Cross multiply
    590.94x = 886.71 × 331.23
  4. Step 4: Simplify right side
    590.94x = 293,704.95
  5. Step 5: Solve for x
    x = 293,704.95/590.94
  6. Step 6: Final answer
    x = 497.01

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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.