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Finding the Fourth Proportional to 484,589.98, 668,734.17 and 269,725.42

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Solution

The fourth proportional to 484,589.98, 668,734.17 and 269,725.42 is: 372,221.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,589.98 : 668,734.17 = 269,725.42 : x
  2. Step 2: Convert to fraction form
    484,589.98/668,734.17 = 269,725.42/x
  3. Step 3: Cross multiply
    484,589.98x = 668,734.17 × 269,725.42
  4. Step 4: Simplify right side
    484,589.98x = 180,374,604,871.60
  5. Step 5: Solve for x
    x = 180,374,604,871.60/484,589.98
  6. Step 6: Final answer
    x = 372,221.08

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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.