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Finding the Fourth Proportional to 294.34, 441.50 and 156.96

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Solution

The fourth proportional to 294.34, 441.50 and 156.96 is: 235.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    294.34 : 441.50 = 156.96 : x
  2. Step 2: Convert to fraction form
    294.34/441.50 = 156.96/x
  3. Step 3: Cross multiply
    294.34x = 441.50 × 156.96
  4. Step 4: Simplify right side
    294.34x = 69,300.16
  5. Step 5: Solve for x
    x = 69,300.16/294.34
  6. Step 6: Final answer
    x = 235.45

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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.