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Finding the Fourth Proportional to 567.99, 851.67 and 202.68

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Solution

The fourth proportional to 567.99, 851.67 and 202.68 is: 303.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    567.99 : 851.67 = 202.68 : x
  2. Step 2: Convert to fraction form
    567.99/851.67 = 202.68/x
  3. Step 3: Cross multiply
    567.99x = 851.67 × 202.68
  4. Step 4: Simplify right side
    567.99x = 172,616.48
  5. Step 5: Solve for x
    x = 172,616.48/567.99
  6. Step 6: Final answer
    x = 303.91

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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.