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Finding the Fourth Proportional to 617.45, 925.95 and 184.46

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Solution

The fourth proportional to 617.45, 925.95 and 184.46 is: 276.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    617.45 : 925.95 = 184.46 : x
  2. Step 2: Convert to fraction form
    617.45/925.95 = 184.46/x
  3. Step 3: Cross multiply
    617.45x = 925.95 × 184.46
  4. Step 4: Simplify right side
    617.45x = 170,800.74
  5. Step 5: Solve for x
    x = 170,800.74/617.45
  6. Step 6: Final answer
    x = 276.62

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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.