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Finding the Fourth Proportional to 294.46, 441.59 and 140.46

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Solution

The fourth proportional to 294.46, 441.59 and 140.46 is: 210.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    294.46 : 441.59 = 140.46 : x
  2. Step 2: Convert to fraction form
    294.46/441.59 = 140.46/x
  3. Step 3: Cross multiply
    294.46x = 441.59 × 140.46
  4. Step 4: Simplify right side
    294.46x = 62,025.73
  5. Step 5: Solve for x
    x = 62,025.73/294.46
  6. Step 6: Final answer
    x = 210.64

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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.