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Finding the Fourth Proportional to 292.64, 403.50 and 194.36

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Solution

The fourth proportional to 292.64, 403.50 and 194.36 is: 267.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.64 : 403.50 = 194.36 : x
  2. Step 2: Convert to fraction form
    292.64/403.50 = 194.36/x
  3. Step 3: Cross multiply
    292.64x = 403.50 × 194.36
  4. Step 4: Simplify right side
    292.64x = 78,424.26
  5. Step 5: Solve for x
    x = 78,424.26/292.64
  6. Step 6: Final answer
    x = 267.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.