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Finding the Fourth Proportional to 292.98, 439.36 and 235.34

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Solution

The fourth proportional to 292.98, 439.36 and 235.34 is: 352.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.98 : 439.36 = 235.34 : x
  2. Step 2: Convert to fraction form
    292.98/439.36 = 235.34/x
  3. Step 3: Cross multiply
    292.98x = 439.36 × 235.34
  4. Step 4: Simplify right side
    292.98x = 103,398.98
  5. Step 5: Solve for x
    x = 103,398.98/292.98
  6. Step 6: Final answer
    x = 352.92

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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.