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Finding the Fourth Proportional to 568.60, 852.59 and 178.50

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Solution

The fourth proportional to 568.60, 852.59 and 178.50 is: 267.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    568.60 : 852.59 = 178.50 : x
  2. Step 2: Convert to fraction form
    568.60/852.59 = 178.50/x
  3. Step 3: Cross multiply
    568.60x = 852.59 × 178.50
  4. Step 4: Simplify right side
    568.60x = 152,187.32
  5. Step 5: Solve for x
    x = 152,187.32/568.60
  6. Step 6: Final answer
    x = 267.65

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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.