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Finding the Fourth Proportional to 392,030.74, 541,192.46 and 262,921.96

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Solution

The fourth proportional to 392,030.74, 541,192.46 and 262,921.96 is: 362,959.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,030.74 : 541,192.46 = 262,921.96 : x
  2. Step 2: Convert to fraction form
    392,030.74/541,192.46 = 262,921.96/x
  3. Step 3: Cross multiply
    392,030.74x = 541,192.46 × 262,921.96
  4. Step 4: Simplify right side
    392,030.74x = 142,291,378,299.85
  5. Step 5: Solve for x
    x = 142,291,378,299.85/392,030.74
  6. Step 6: Final answer
    x = 362,959.75

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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.