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Finding the Fourth Proportional to 294.36, 442.08 and 233.88

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Solution

The fourth proportional to 294.36, 442.08 and 233.88 is: 351.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    294.36 : 442.08 = 233.88 : x
  2. Step 2: Convert to fraction form
    294.36/442.08 = 233.88/x
  3. Step 3: Cross multiply
    294.36x = 442.08 × 233.88
  4. Step 4: Simplify right side
    294.36x = 103,393.67
  5. Step 5: Solve for x
    x = 103,393.67/294.36
  6. Step 6: Final answer
    x = 351.25

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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.