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Finding the Fourth Proportional to 964.05, 1,446.14 and 707.23

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Solution

The fourth proportional to 964.05, 1,446.14 and 707.23 is: 1,060.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    964.05 : 1,446.14 = 707.23 : x
  2. Step 2: Convert to fraction form
    964.05/1,446.14 = 707.23/x
  3. Step 3: Cross multiply
    964.05x = 1,446.14 × 707.23
  4. Step 4: Simplify right side
    964.05x = 1,022,753.59
  5. Step 5: Solve for x
    x = 1,022,753.59/964.05
  6. Step 6: Final answer
    x = 1,060.89

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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.