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Finding the Fourth Proportional to 629.84, 944.04 and 337.12

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Solution

The fourth proportional to 629.84, 944.04 and 337.12 is: 505.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    629.84 : 944.04 = 337.12 : x
  2. Step 2: Convert to fraction form
    629.84/944.04 = 337.12/x
  3. Step 3: Cross multiply
    629.84x = 944.04 × 337.12
  4. Step 4: Simplify right side
    629.84x = 318,254.76
  5. Step 5: Solve for x
    x = 318,254.76/629.84
  6. Step 6: Final answer
    x = 505.29

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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.