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Finding the Fourth Proportional to 374,201.92, 561,657.75 and 231,615.89

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Solution

The fourth proportional to 374,201.92, 561,657.75 and 231,615.89 is: 347,643.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,201.92 : 561,657.75 = 231,615.89 : x
  2. Step 2: Convert to fraction form
    374,201.92/561,657.75 = 231,615.89/x
  3. Step 3: Cross multiply
    374,201.92x = 561,657.75 × 231,615.89
  4. Step 4: Simplify right side
    374,201.92x = 130,088,856,833.36
  5. Step 5: Solve for x
    x = 130,088,856,833.36/374,201.92
  6. Step 6: Final answer
    x = 347,643.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.