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Finding the Fourth Proportional to 944.62, 1,416.93 and 367.63

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Solution

The fourth proportional to 944.62, 1,416.93 and 367.63 is: 551.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    944.62 : 1,416.93 = 367.63 : x
  2. Step 2: Convert to fraction form
    944.62/1,416.93 = 367.63/x
  3. Step 3: Cross multiply
    944.62x = 1,416.93 × 367.63
  4. Step 4: Simplify right side
    944.62x = 520,905.98
  5. Step 5: Solve for x
    x = 520,905.98/944.62
  6. Step 6: Final answer
    x = 551.45

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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.