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Finding the Fourth Proportional to 292.12, 437.64 and 200.56

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Solution

The fourth proportional to 292.12, 437.64 and 200.56 is: 300.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.12 : 437.64 = 200.56 : x
  2. Step 2: Convert to fraction form
    292.12/437.64 = 200.56/x
  3. Step 3: Cross multiply
    292.12x = 437.64 × 200.56
  4. Step 4: Simplify right side
    292.12x = 87,773.08
  5. Step 5: Solve for x
    x = 87,773.08/292.12
  6. Step 6: Final answer
    x = 300.47

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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.