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Finding the Fourth Proportional to 372,362.96, 513,845.53 and 202,597.76

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Solution

The fourth proportional to 372,362.96, 513,845.53 and 202,597.76 is: 279,576.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,362.96 : 513,845.53 = 202,597.76 : x
  2. Step 2: Convert to fraction form
    372,362.96/513,845.53 = 202,597.76/x
  3. Step 3: Cross multiply
    372,362.96x = 513,845.53 × 202,597.76
  4. Step 4: Simplify right side
    372,362.96x = 104,103,950,288.29
  5. Step 5: Solve for x
    x = 104,103,950,288.29/372,362.96
  6. Step 6: Final answer
    x = 279,576.55

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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.