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Finding the Fourth Proportional to 944.88, 1,417.14 and 251.58

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Solution

The fourth proportional to 944.88, 1,417.14 and 251.58 is: 377.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    944.88 : 1,417.14 = 251.58 : x
  2. Step 2: Convert to fraction form
    944.88/1,417.14 = 251.58/x
  3. Step 3: Cross multiply
    944.88x = 1,417.14 × 251.58
  4. Step 4: Simplify right side
    944.88x = 356,524.08
  5. Step 5: Solve for x
    x = 356,524.08/944.88
  6. Step 6: Final answer
    x = 377.32

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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.