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Finding the Fourth Proportional to 707.11, 1,060.94 and 296.22

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Solution

The fourth proportional to 707.11, 1,060.94 and 296.22 is: 444.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    707.11 : 1,060.94 = 296.22 : x
  2. Step 2: Convert to fraction form
    707.11/1,060.94 = 296.22/x
  3. Step 3: Cross multiply
    707.11x = 1,060.94 × 296.22
  4. Step 4: Simplify right side
    707.11x = 314,265.33
  5. Step 5: Solve for x
    x = 314,265.33/707.11
  6. Step 6: Final answer
    x = 444.43

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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.