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Finding the Fourth Proportional to 606.62, 837.02 and 357.95

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Solution

The fourth proportional to 606.62, 837.02 and 357.95 is: 493.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.62 : 837.02 = 357.95 : x
  2. Step 2: Convert to fraction form
    606.62/837.02 = 357.95/x
  3. Step 3: Cross multiply
    606.62x = 837.02 × 357.95
  4. Step 4: Simplify right side
    606.62x = 299,609.52
  5. Step 5: Solve for x
    x = 299,609.52/606.62
  6. Step 6: Final answer
    x = 493.90

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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.