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Finding the Fourth Proportional to 944.59, 1,416.89 and 295.38

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Solution

The fourth proportional to 944.59, 1,416.89 and 295.38 is: 443.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    944.59 : 1,416.89 = 295.38 : x
  2. Step 2: Convert to fraction form
    944.59/1,416.89 = 295.38/x
  3. Step 3: Cross multiply
    944.59x = 1,416.89 × 295.38
  4. Step 4: Simplify right side
    944.59x = 418,520.97
  5. Step 5: Solve for x
    x = 418,520.97/944.59
  6. Step 6: Final answer
    x = 443.07

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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.