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Finding the Fourth Proportional to 392,583.58, 541,765.43 and 213,735.58

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Solution

The fourth proportional to 392,583.58, 541,765.43 and 213,735.58 is: 294,955.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,583.58 : 541,765.43 = 213,735.58 : x
  2. Step 2: Convert to fraction form
    392,583.58/541,765.43 = 213,735.58/x
  3. Step 3: Cross multiply
    392,583.58x = 541,765.43 × 213,735.58
  4. Step 4: Simplify right side
    392,583.58x = 115,794,548,405.00
  5. Step 5: Solve for x
    x = 115,794,548,405.00/392,583.58
  6. Step 6: Final answer
    x = 294,955.15

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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.