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Finding the Fourth Proportional to 944.73, 1,416.98 and 251.45

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Solution

The fourth proportional to 944.73, 1,416.98 and 251.45 is: 377.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    944.73 : 1,416.98 = 251.45 : x
  2. Step 2: Convert to fraction form
    944.73/1,416.98 = 251.45/x
  3. Step 3: Cross multiply
    944.73x = 1,416.98 × 251.45
  4. Step 4: Simplify right side
    944.73x = 356,296.08
  5. Step 5: Solve for x
    x = 356,296.08/944.73
  6. Step 6: Final answer
    x = 377.14

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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.