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Finding the Fourth Proportional to 422,287.92, 582,595.20 and 241,009.92

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Solution

The fourth proportional to 422,287.92, 582,595.20 and 241,009.92 is: 332,501.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,287.92 : 582,595.20 = 241,009.92 : x
  2. Step 2: Convert to fraction form
    422,287.92/582,595.20 = 241,009.92/x
  3. Step 3: Cross multiply
    422,287.92x = 582,595.20 × 241,009.92
  4. Step 4: Simplify right side
    422,287.92x = 140,411,222,544.38
  5. Step 5: Solve for x
    x = 140,411,222,544.38/422,287.92
  6. Step 6: Final answer
    x = 332,501.16

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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.