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Finding the Fourth Proportional to 334.46, 502.38 and 322.94

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Solution

The fourth proportional to 334.46, 502.38 and 322.94 is: 485.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.46 : 502.38 = 322.94 : x
  2. Step 2: Convert to fraction form
    334.46/502.38 = 322.94/x
  3. Step 3: Cross multiply
    334.46x = 502.38 × 322.94
  4. Step 4: Simplify right side
    334.46x = 162,238.60
  5. Step 5: Solve for x
    x = 162,238.60/334.46
  6. Step 6: Final answer
    x = 485.08

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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.