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Finding the Fourth Proportional to 484,462.60, 668,549.37 and 269,600.65

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Solution

The fourth proportional to 484,462.60, 668,549.37 and 269,600.65 is: 372,043.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,462.60 : 668,549.37 = 269,600.65 : x
  2. Step 2: Convert to fraction form
    484,462.60/668,549.37 = 269,600.65/x
  3. Step 3: Cross multiply
    484,462.60x = 668,549.37 × 269,600.65
  4. Step 4: Simplify right side
    484,462.60x = 180,241,344,709.09
  5. Step 5: Solve for x
    x = 180,241,344,709.09/484,462.60
  6. Step 6: Final answer
    x = 372,043.88

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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.