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Finding the Fourth Proportional to 484,599.31, 668,735.49 and 269,734.76

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Solution

The fourth proportional to 484,599.31, 668,735.49 and 269,734.76 is: 372,227.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,599.31 : 668,735.49 = 269,734.76 : x
  2. Step 2: Convert to fraction form
    484,599.31/668,735.49 = 269,734.76/x
  3. Step 3: Cross multiply
    484,599.31x = 668,735.49 × 269,734.76
  4. Step 4: Simplify right side
    484,599.31x = 180,381,207,074.22
  5. Step 5: Solve for x
    x = 180,381,207,074.22/484,599.31
  6. Step 6: Final answer
    x = 372,227.54

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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.