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Finding the Fourth Proportional to 292.06, 437.95 and 170.35

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Solution

The fourth proportional to 292.06, 437.95 and 170.35 is: 255.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.06 : 437.95 = 170.35 : x
  2. Step 2: Convert to fraction form
    292.06/437.95 = 170.35/x
  3. Step 3: Cross multiply
    292.06x = 437.95 × 170.35
  4. Step 4: Simplify right side
    292.06x = 74,604.78
  5. Step 5: Solve for x
    x = 74,604.78/292.06
  6. Step 6: Final answer
    x = 255.44

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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.