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Finding the Fourth Proportional to 606.96, 837.61 and 344.99

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Solution

The fourth proportional to 606.96, 837.61 and 344.99 is: 476.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.96 : 837.61 = 344.99 : x
  2. Step 2: Convert to fraction form
    606.96/837.61 = 344.99/x
  3. Step 3: Cross multiply
    606.96x = 837.61 × 344.99
  4. Step 4: Simplify right side
    606.96x = 288,968.31
  5. Step 5: Solve for x
    x = 288,968.31/606.96
  6. Step 6: Final answer
    x = 476.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.