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Finding the Fourth Proportional to 351.47, 527.00 and 294.05

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Solution

The fourth proportional to 351.47, 527.00 and 294.05 is: 440.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    351.47 : 527.00 = 294.05 : x
  2. Step 2: Convert to fraction form
    351.47/527.00 = 294.05/x
  3. Step 3: Cross multiply
    351.47x = 527.00 × 294.05
  4. Step 4: Simplify right side
    351.47x = 154,960.24
  5. Step 5: Solve for x
    x = 154,960.24/351.47
  6. Step 6: Final answer
    x = 440.90

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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.