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Finding the Fourth Proportional to 294.44, 441.65 and 288.36

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Solution

The fourth proportional to 294.44, 441.65 and 288.36 is: 432.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    294.44 : 441.65 = 288.36 : x
  2. Step 2: Convert to fraction form
    294.44/441.65 = 288.36/x
  3. Step 3: Cross multiply
    294.44x = 441.65 × 288.36
  4. Step 4: Simplify right side
    294.44x = 127,354.91
  5. Step 5: Solve for x
    x = 127,354.91/294.44
  6. Step 6: Final answer
    x = 432.54

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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.