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Finding the Fourth Proportional to 361,147.82, 498,218.65 and 233,864.42

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Solution

The fourth proportional to 361,147.82, 498,218.65 and 233,864.42 is: 322,625.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,147.82 : 498,218.65 = 233,864.42 : x
  2. Step 2: Convert to fraction form
    361,147.82/498,218.65 = 233,864.42/x
  3. Step 3: Cross multiply
    361,147.82x = 498,218.65 × 233,864.42
  4. Step 4: Simplify right side
    361,147.82x = 116,515,612,539.68
  5. Step 5: Solve for x
    x = 116,515,612,539.68/361,147.82
  6. Step 6: Final answer
    x = 322,625.83

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1.5x scale

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.