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Finding the Fourth Proportional to 424.61, 585.80 and 293.73

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Solution

The fourth proportional to 424.61, 585.80 and 293.73 is: 405.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    424.61 : 585.80 = 293.73 : x
  2. Step 2: Convert to fraction form
    424.61/585.80 = 293.73/x
  3. Step 3: Cross multiply
    424.61x = 585.80 × 293.73
  4. Step 4: Simplify right side
    424.61x = 172,067.03
  5. Step 5: Solve for x
    x = 172,067.03/424.61
  6. Step 6: Final answer
    x = 405.24

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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.