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Finding the Fourth Proportional to 567.48, 851.36 and 202.31

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Solution

The fourth proportional to 567.48, 851.36 and 202.31 is: 303.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    567.48 : 851.36 = 202.31 : x
  2. Step 2: Convert to fraction form
    567.48/851.36 = 202.31/x
  3. Step 3: Cross multiply
    567.48x = 851.36 × 202.31
  4. Step 4: Simplify right side
    567.48x = 172,233.37
  5. Step 5: Solve for x
    x = 172,233.37/567.48
  6. Step 6: Final answer
    x = 303.51

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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.