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Finding the Fourth Proportional to 334.60, 501.90 and 294.10

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Solution

The fourth proportional to 334.60, 501.90 and 294.10 is: 441.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.60 : 501.90 = 294.10 : x
  2. Step 2: Convert to fraction form
    334.60/501.90 = 294.10/x
  3. Step 3: Cross multiply
    334.60x = 501.90 × 294.10
  4. Step 4: Simplify right side
    334.60x = 147,608.79
  5. Step 5: Solve for x
    x = 147,608.79/334.60
  6. Step 6: Final answer
    x = 441.15

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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.