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Finding the Fourth Proportional to 704.82, 1,056.66 and 294.27

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Solution

The fourth proportional to 704.82, 1,056.66 and 294.27 is: 441.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    704.82 : 1,056.66 = 294.27 : x
  2. Step 2: Convert to fraction form
    704.82/1,056.66 = 294.27/x
  3. Step 3: Cross multiply
    704.82x = 1,056.66 × 294.27
  4. Step 4: Simplify right side
    704.82x = 310,943.34
  5. Step 5: Solve for x
    x = 310,943.34/704.82
  6. Step 6: Final answer
    x = 441.17

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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.