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Finding the Fourth Proportional to 372,057.60, 513,433.44 and 202,296

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Solution

The fourth proportional to 372,057.60, 513,433.44 and 202,296 is: 279,165.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,057.60 : 513,433.44 = 202,296 : x
  2. Step 2: Convert to fraction form
    372,057.60/513,433.44 = 202,296/x
  3. Step 3: Cross multiply
    372,057.60x = 513,433.44 × 202,296
  4. Step 4: Simplify right side
    372,057.60x = 103,865,531,178.24
  5. Step 5: Solve for x
    x = 103,865,531,178.24/372,057.60
  6. Step 6: Final answer
    x = 279,165.19

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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.