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Finding the Fourth Proportional to 567.53, 851.55 and 202.58

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Solution

The fourth proportional to 567.53, 851.55 and 202.58 is: 303.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    567.53 : 851.55 = 202.58 : x
  2. Step 2: Convert to fraction form
    567.53/851.55 = 202.58/x
  3. Step 3: Cross multiply
    567.53x = 851.55 × 202.58
  4. Step 4: Simplify right side
    567.53x = 172,502.78
  5. Step 5: Solve for x
    x = 172,502.78/567.53
  6. Step 6: Final answer
    x = 303.95

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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.