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Finding the Fourth Proportional to 944.89, 1,416.65 and 635.97

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Solution

The fourth proportional to 944.89, 1,416.65 and 635.97 is: 953.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    944.89 : 1,416.65 = 635.97 : x
  2. Step 2: Convert to fraction form
    944.89/1,416.65 = 635.97/x
  3. Step 3: Cross multiply
    944.89x = 1,416.65 × 635.97
  4. Step 4: Simplify right side
    944.89x = 900,943.72
  5. Step 5: Solve for x
    x = 900,943.72/944.89
  6. Step 6: Final answer
    x = 953.50

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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.