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Finding the Fourth Proportional to 567.54, 851.33 and 156.68

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Solution

The fourth proportional to 567.54, 851.33 and 156.68 is: 235.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    567.54 : 851.33 = 156.68 : x
  2. Step 2: Convert to fraction form
    567.54/851.33 = 156.68/x
  3. Step 3: Cross multiply
    567.54x = 851.33 × 156.68
  4. Step 4: Simplify right side
    567.54x = 133,385.71
  5. Step 5: Solve for x
    x = 133,385.71/567.54
  6. Step 6: Final answer
    x = 235.02

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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.