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Finding the Fourth Proportional to 298.94, 444.96 and 292.22

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Solution

The fourth proportional to 298.94, 444.96 and 292.22 is: 434.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    298.94 : 444.96 = 292.22 : x
  2. Step 2: Convert to fraction form
    298.94/444.96 = 292.22/x
  3. Step 3: Cross multiply
    298.94x = 444.96 × 292.22
  4. Step 4: Simplify right side
    298.94x = 130,024.75
  5. Step 5: Solve for x
    x = 130,024.75/298.94
  6. Step 6: Final answer
    x = 434.95

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.