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Finding the Fourth Proportional to 349,298, 482,031.24 and 190,322

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Solution

The fourth proportional to 349,298, 482,031.24 and 190,322 is: 262,644.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,298 : 482,031.24 = 190,322 : x
  2. Step 2: Convert to fraction form
    349,298/482,031.24 = 190,322/x
  3. Step 3: Cross multiply
    349,298x = 482,031.24 × 190,322
  4. Step 4: Simplify right side
    349,298x = 91,741,149,659.28
  5. Step 5: Solve for x
    x = 91,741,149,659.28/349,298
  6. Step 6: Final answer
    x = 262,644.36

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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.