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Finding the Fourth Proportional to 595.23, 821.71 and 548.38

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Solution

The fourth proportional to 595.23, 821.71 and 548.38 is: 757.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    595.23 : 821.71 = 548.38 : x
  2. Step 2: Convert to fraction form
    595.23/821.71 = 548.38/x
  3. Step 3: Cross multiply
    595.23x = 821.71 × 548.38
  4. Step 4: Simplify right side
    595.23x = 450,609.33
  5. Step 5: Solve for x
    x = 450,609.33/595.23
  6. Step 6: Final answer
    x = 757.03

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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.