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Finding the Fourth Proportional to 292.66, 438.32 and 200.94

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Solution

The fourth proportional to 292.66, 438.32 and 200.94 is: 300.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.66 : 438.32 = 200.94 : x
  2. Step 2: Convert to fraction form
    292.66/438.32 = 200.94/x
  3. Step 3: Cross multiply
    292.66x = 438.32 × 200.94
  4. Step 4: Simplify right side
    292.66x = 88,076.02
  5. Step 5: Solve for x
    x = 88,076.02/292.66
  6. Step 6: Final answer
    x = 300.95

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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.