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Finding the Fourth Proportional to 334.06, 502.00 and 291.74

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Solution

The fourth proportional to 334.06, 502.00 and 291.74 is: 438.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.06 : 502.00 = 291.74 : x
  2. Step 2: Convert to fraction form
    334.06/502.00 = 291.74/x
  3. Step 3: Cross multiply
    334.06x = 502.00 × 291.74
  4. Step 4: Simplify right side
    334.06x = 146,450.24
  5. Step 5: Solve for x
    x = 146,450.24/334.06
  6. Step 6: Final answer
    x = 438.40

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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.