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Finding the Fourth Proportional to 606.66, 837.18 and 358.02

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Solution

The fourth proportional to 606.66, 837.18 and 358.02 is: 494.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.66 : 837.18 = 358.02 : x
  2. Step 2: Convert to fraction form
    606.66/837.18 = 358.02/x
  3. Step 3: Cross multiply
    606.66x = 837.18 × 358.02
  4. Step 4: Simplify right side
    606.66x = 299,727.18
  5. Step 5: Solve for x
    x = 299,727.18/606.66
  6. Step 6: Final answer
    x = 494.06

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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.