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Finding the Fourth Proportional to 606.82, 837.44 and 358.16

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Solution

The fourth proportional to 606.82, 837.44 and 358.16 is: 494.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.82 : 837.44 = 358.16 : x
  2. Step 2: Convert to fraction form
    606.82/837.44 = 358.16/x
  3. Step 3: Cross multiply
    606.82x = 837.44 × 358.16
  4. Step 4: Simplify right side
    606.82x = 299,937.51
  5. Step 5: Solve for x
    x = 299,937.51/606.82
  6. Step 6: Final answer
    x = 494.28

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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.