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Finding the Fourth Proportional to 483,114.93, 666,685.78 and 268,249.47

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Solution

The fourth proportional to 483,114.93, 666,685.78 and 268,249.47 is: 370,177.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,114.93 : 666,685.78 = 268,249.47 : x
  2. Step 2: Convert to fraction form
    483,114.93/666,685.78 = 268,249.47/x
  3. Step 3: Cross multiply
    483,114.93x = 666,685.78 × 268,249.47
  4. Step 4: Simplify right side
    483,114.93x = 178,838,107,141.54
  5. Step 5: Solve for x
    x = 178,838,107,141.54/483,114.93
  6. Step 6: Final answer
    x = 370,177.15

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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.