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Finding the Fourth Proportional to 334.50, 502.04 and 242.74

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Solution

The fourth proportional to 334.50, 502.04 and 242.74 is: 364.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.50 : 502.04 = 242.74 : x
  2. Step 2: Convert to fraction form
    334.50/502.04 = 242.74/x
  3. Step 3: Cross multiply
    334.50x = 502.04 × 242.74
  4. Step 4: Simplify right side
    334.50x = 121,865.19
  5. Step 5: Solve for x
    x = 121,865.19/334.50
  6. Step 6: Final answer
    x = 364.32

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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.