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Finding the Fourth Proportional to 372,357.88, 513,856.16 and 202,593.24

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Solution

The fourth proportional to 372,357.88, 513,856.16 and 202,593.24 is: 279,579.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,357.88 : 513,856.16 = 202,593.24 : x
  2. Step 2: Convert to fraction form
    372,357.88/513,856.16 = 202,593.24/x
  3. Step 3: Cross multiply
    372,357.88x = 513,856.16 × 202,593.24
  4. Step 4: Simplify right side
    372,357.88x = 104,103,784,348.36
  5. Step 5: Solve for x
    x = 104,103,784,348.36/372,357.88
  6. Step 6: Final answer
    x = 279,579.91

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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.