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Finding the Fourth Proportional to 964.46, 1,447.17 and 710.06

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Solution

The fourth proportional to 964.46, 1,447.17 and 710.06 is: 1,065.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    964.46 : 1,447.17 = 710.06 : x
  2. Step 2: Convert to fraction form
    964.46/1,447.17 = 710.06/x
  3. Step 3: Cross multiply
    964.46x = 1,447.17 × 710.06
  4. Step 4: Simplify right side
    964.46x = 1,027,577.53
  5. Step 5: Solve for x
    x = 1,027,577.53/964.46
  6. Step 6: Final answer
    x = 1,065.44

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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.