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Finding the Fourth Proportional to 944.29, 1,416.51 and 294.94

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Solution

The fourth proportional to 944.29, 1,416.51 and 294.94 is: 442.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    944.29 : 1,416.51 = 294.94 : x
  2. Step 2: Convert to fraction form
    944.29/1,416.51 = 294.94/x
  3. Step 3: Cross multiply
    944.29x = 1,416.51 × 294.94
  4. Step 4: Simplify right side
    944.29x = 417,785.46
  5. Step 5: Solve for x
    x = 417,785.46/944.29
  6. Step 6: Final answer
    x = 442.43

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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.