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Finding the Fourth Proportional to 595.26, 821.44 and 374.34

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Solution

The fourth proportional to 595.26, 821.44 and 374.34 is: 516.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    595.26 : 821.44 = 374.34 : x
  2. Step 2: Convert to fraction form
    595.26/821.44 = 374.34/x
  3. Step 3: Cross multiply
    595.26x = 821.44 × 374.34
  4. Step 4: Simplify right side
    595.26x = 307,497.85
  5. Step 5: Solve for x
    x = 307,497.85/595.26
  6. Step 6: Final answer
    x = 516.58

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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.