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Finding the Fourth Proportional to 392,652.63, 541,883.39 and 295,682.85

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Solution

The fourth proportional to 392,652.63, 541,883.39 and 295,682.85 is: 408,059.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,652.63 : 541,883.39 = 295,682.85 : x
  2. Step 2: Convert to fraction form
    392,652.63/541,883.39 = 295,682.85/x
  3. Step 3: Cross multiply
    392,652.63x = 541,883.39 × 295,682.85
  4. Step 4: Simplify right side
    392,652.63x = 160,225,623,644.45
  5. Step 5: Solve for x
    x = 160,225,623,644.45/392,652.63
  6. Step 6: Final answer
    x = 408,059.47

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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.