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Finding the Fourth Proportional to 334,838.88, 462,198.96 and 221,698.08

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Solution

The fourth proportional to 334,838.88, 462,198.96 and 221,698.08 is: 306,023.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,838.88 : 462,198.96 = 221,698.08 : x
  2. Step 2: Convert to fraction form
    334,838.88/462,198.96 = 221,698.08/x
  3. Step 3: Cross multiply
    334,838.88x = 462,198.96 × 221,698.08
  4. Step 4: Simplify right side
    334,838.88x = 102,468,622,010.00
  5. Step 5: Solve for x
    x = 102,468,622,010.00/334,838.88
  6. Step 6: Final answer
    x = 306,023.67

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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.