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Finding the Fourth Proportional to 606.67, 837.35 and 358.07

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Solution

The fourth proportional to 606.67, 837.35 and 358.07 is: 494.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.67 : 837.35 = 358.07 : x
  2. Step 2: Convert to fraction form
    606.67/837.35 = 358.07/x
  3. Step 3: Cross multiply
    606.67x = 837.35 × 358.07
  4. Step 4: Simplify right side
    606.67x = 299,826.62
  5. Step 5: Solve for x
    x = 299,826.62/606.67
  6. Step 6: Final answer
    x = 494.22

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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.