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Finding the Fourth Proportional to 334.84, 502.22 and 91.34

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Solution

The fourth proportional to 334.84, 502.22 and 91.34 is: 137.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.84 : 502.22 = 91.34 : x
  2. Step 2: Convert to fraction form
    334.84/502.22 = 91.34/x
  3. Step 3: Cross multiply
    334.84x = 502.22 × 91.34
  4. Step 4: Simplify right side
    334.84x = 45,872.77
  5. Step 5: Solve for x
    x = 45,872.77/334.84
  6. Step 6: Final answer
    x = 137.00

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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.