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Finding the Fourth Proportional to 944.65, 1,416.84 and 251.32

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Solution

The fourth proportional to 944.65, 1,416.84 and 251.32 is: 376.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    944.65 : 1,416.84 = 251.32 : x
  2. Step 2: Convert to fraction form
    944.65/1,416.84 = 251.32/x
  3. Step 3: Cross multiply
    944.65x = 1,416.84 × 251.32
  4. Step 4: Simplify right side
    944.65x = 356,080.23
  5. Step 5: Solve for x
    x = 356,080.23/944.65
  6. Step 6: Final answer
    x = 376.94

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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.