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Finding the Fourth Proportional to 372,362.93, 513,845.49 and 202,597.73

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Solution

The fourth proportional to 372,362.93, 513,845.49 and 202,597.73 is: 279,576.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,362.93 : 513,845.49 = 202,597.73 : x
  2. Step 2: Convert to fraction form
    372,362.93/513,845.49 = 202,597.73/x
  3. Step 3: Cross multiply
    372,362.93x = 513,845.49 × 202,597.73
  4. Step 4: Simplify right side
    372,362.93x = 104,103,926,262.52
  5. Step 5: Solve for x
    x = 104,103,926,262.52/372,362.93
  6. Step 6: Final answer
    x = 279,576.51

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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.