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Finding the Fourth Proportional to 567.62, 851.45 and 202.45

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Solution

The fourth proportional to 567.62, 851.45 and 202.45 is: 303.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    567.62 : 851.45 = 202.45 : x
  2. Step 2: Convert to fraction form
    567.62/851.45 = 202.45/x
  3. Step 3: Cross multiply
    567.62x = 851.45 × 202.45
  4. Step 4: Simplify right side
    567.62x = 172,376.05
  5. Step 5: Solve for x
    x = 172,376.05/567.62
  6. Step 6: Final answer
    x = 303.68

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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.