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Finding the Fourth Proportional to 349.46, 523.62 and 336.14

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Solution

The fourth proportional to 349.46, 523.62 and 336.14 is: 503.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    349.46 : 523.62 = 336.14 : x
  2. Step 2: Convert to fraction form
    349.46/523.62 = 336.14/x
  3. Step 3: Cross multiply
    349.46x = 523.62 × 336.14
  4. Step 4: Simplify right side
    349.46x = 176,009.63
  5. Step 5: Solve for x
    x = 176,009.63/349.46
  6. Step 6: Final answer
    x = 503.66

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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.