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Finding the Fourth Proportional to 567.51, 851.18 and 177.42

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Solution

The fourth proportional to 567.51, 851.18 and 177.42 is: 266.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    567.51 : 851.18 = 177.42 : x
  2. Step 2: Convert to fraction form
    567.51/851.18 = 177.42/x
  3. Step 3: Cross multiply
    567.51x = 851.18 × 177.42
  4. Step 4: Simplify right side
    567.51x = 151,016.36
  5. Step 5: Solve for x
    x = 151,016.36/567.51
  6. Step 6: Final answer
    x = 266.10

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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.