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Finding the Fourth Proportional to 944.77, 1,417.16 and 251.44

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Solution

The fourth proportional to 944.77, 1,417.16 and 251.44 is: 377.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    944.77 : 1,417.16 = 251.44 : x
  2. Step 2: Convert to fraction form
    944.77/1,417.16 = 251.44/x
  3. Step 3: Cross multiply
    944.77x = 1,417.16 × 251.44
  4. Step 4: Simplify right side
    944.77x = 356,328.57
  5. Step 5: Solve for x
    x = 356,328.57/944.77
  6. Step 6: Final answer
    x = 377.16

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Double scale
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Similar ratio
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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.