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Finding the Fourth Proportional to 944.19, 1,416.44 and 294.79

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Solution

The fourth proportional to 944.19, 1,416.44 and 294.79 is: 442.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    944.19 : 1,416.44 = 294.79 : x
  2. Step 2: Convert to fraction form
    944.19/1,416.44 = 294.79/x
  3. Step 3: Cross multiply
    944.19x = 1,416.44 × 294.79
  4. Step 4: Simplify right side
    944.19x = 417,552.35
  5. Step 5: Solve for x
    x = 417,552.35/944.19
  6. Step 6: Final answer
    x = 442.23

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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.