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Finding the Fourth Proportional to 469,777.62, 648,286.16 and 276,207.14

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Solution

The fourth proportional to 469,777.62, 648,286.16 and 276,207.14 is: 381,161.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,777.62 : 648,286.16 = 276,207.14 : x
  2. Step 2: Convert to fraction form
    469,777.62/648,286.16 = 276,207.14/x
  3. Step 3: Cross multiply
    469,777.62x = 648,286.16 × 276,207.14
  4. Step 4: Simplify right side
    469,777.62x = 179,061,266,155.18
  5. Step 5: Solve for x
    x = 179,061,266,155.18/469,777.62
  6. Step 6: Final answer
    x = 381,161.76

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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.