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Finding the Fourth Proportional to 294.84, 443.06 and 157.96

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Solution

The fourth proportional to 294.84, 443.06 and 157.96 is: 237.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    294.84 : 443.06 = 157.96 : x
  2. Step 2: Convert to fraction form
    294.84/443.06 = 157.96/x
  3. Step 3: Cross multiply
    294.84x = 443.06 × 157.96
  4. Step 4: Simplify right side
    294.84x = 69,985.76
  5. Step 5: Solve for x
    x = 69,985.76/294.84
  6. Step 6: Final answer
    x = 237.37

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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.