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Finding the Fourth Proportional to 1,134.47, 1,701.18 and 744.46

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Solution

The fourth proportional to 1,134.47, 1,701.18 and 744.46 is: 1,116.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134.47 : 1,701.18 = 744.46 : x
  2. Step 2: Convert to fraction form
    1,134.47/1,701.18 = 744.46/x
  3. Step 3: Cross multiply
    1,134.47x = 1,701.18 × 744.46
  4. Step 4: Simplify right side
    1,134.47x = 1,266,456.21
  5. Step 5: Solve for x
    x = 1,266,456.21/1,134.47
  6. Step 6: Final answer
    x = 1,116.34

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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.