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Finding the Fourth Proportional to 334,840.38, 462,201.03 and 221,699.58

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Solution

The fourth proportional to 334,840.38, 462,201.03 and 221,699.58 is: 306,025.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,840.38 : 462,201.03 = 221,699.58 : x
  2. Step 2: Convert to fraction form
    334,840.38/462,201.03 = 221,699.58/x
  3. Step 3: Cross multiply
    334,840.38x = 462,201.03 × 221,699.58
  4. Step 4: Simplify right side
    334,840.38x = 102,469,774,226.57
  5. Step 5: Solve for x
    x = 102,469,774,226.57/334,840.38
  6. Step 6: Final answer
    x = 306,025.74

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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.