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Finding the Fourth Proportional to 944.58, 1,418.04 and 534.05

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Solution

The fourth proportional to 944.58, 1,418.04 and 534.05 is: 801.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    944.58 : 1,418.04 = 534.05 : x
  2. Step 2: Convert to fraction form
    944.58/1,418.04 = 534.05/x
  3. Step 3: Cross multiply
    944.58x = 1,418.04 × 534.05
  4. Step 4: Simplify right side
    944.58x = 757,297.17
  5. Step 5: Solve for x
    x = 757,297.17/944.58
  6. Step 6: Final answer
    x = 801.73

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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.