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Finding the Fourth Proportional to 372,355.68, 513,863.64 and 202,596.24

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Solution

The fourth proportional to 372,355.68, 513,863.64 and 202,596.24 is: 279,589.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,355.68 : 513,863.64 = 202,596.24 : x
  2. Step 2: Convert to fraction form
    372,355.68/513,863.64 = 202,596.24/x
  3. Step 3: Cross multiply
    372,355.68x = 513,863.64 × 202,596.24
  4. Step 4: Simplify right side
    372,355.68x = 104,106,841,336.71
  5. Step 5: Solve for x
    x = 104,106,841,336.71/372,355.68
  6. Step 6: Final answer
    x = 279,589.78

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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.