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Finding the Fourth Proportional to 944.07, 1,416.36 and 671.90

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Solution

The fourth proportional to 944.07, 1,416.36 and 671.90 is: 1,008.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    944.07 : 1,416.36 = 671.90 : x
  2. Step 2: Convert to fraction form
    944.07/1,416.36 = 671.90/x
  3. Step 3: Cross multiply
    944.07x = 1,416.36 × 671.90
  4. Step 4: Simplify right side
    944.07x = 951,647.72
  5. Step 5: Solve for x
    x = 951,647.72/944.07
  6. Step 6: Final answer
    x = 1,008.02

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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.