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Finding the Fourth Proportional to 424, 585.08 and 237.48

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Solution

The fourth proportional to 424, 585.08 and 237.48 is: 327.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    424 : 585.08 = 237.48 : x
  2. Step 2: Convert to fraction form
    424/585.08 = 237.48/x
  3. Step 3: Cross multiply
    424x = 585.08 × 237.48
  4. Step 4: Simplify right side
    424x = 138,944.80
  5. Step 5: Solve for x
    x = 138,944.80/424
  6. Step 6: Final answer
    x = 327.70

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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.