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Finding the Fourth Proportional to 337.48, 465.70 and 206.47

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Solution

The fourth proportional to 337.48, 465.70 and 206.47 is: 284.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.48 : 465.70 = 206.47 : x
  2. Step 2: Convert to fraction form
    337.48/465.70 = 206.47/x
  3. Step 3: Cross multiply
    337.48x = 465.70 × 206.47
  4. Step 4: Simplify right side
    337.48x = 96,153.08
  5. Step 5: Solve for x
    x = 96,153.08/337.48
  6. Step 6: Final answer
    x = 284.91

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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.