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Finding the Fourth Proportional to 567.95, 851.99 and 177.98

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Solution

The fourth proportional to 567.95, 851.99 and 177.98 is: 266.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    567.95 : 851.99 = 177.98 : x
  2. Step 2: Convert to fraction form
    567.95/851.99 = 177.98/x
  3. Step 3: Cross multiply
    567.95x = 851.99 × 177.98
  4. Step 4: Simplify right side
    567.95x = 151,637.18
  5. Step 5: Solve for x
    x = 151,637.18/567.95
  6. Step 6: Final answer
    x = 266.99

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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.