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Finding the Fourth Proportional to 567.60, 851.06 and 177.49

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Solution

The fourth proportional to 567.60, 851.06 and 177.49 is: 266.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    567.60 : 851.06 = 177.49 : x
  2. Step 2: Convert to fraction form
    567.60/851.06 = 177.49/x
  3. Step 3: Cross multiply
    567.60x = 851.06 × 177.49
  4. Step 4: Simplify right side
    567.60x = 151,056.15
  5. Step 5: Solve for x
    x = 151,056.15/567.60
  6. Step 6: Final answer
    x = 266.13

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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.