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Finding the Fourth Proportional to 349,370.88, 482,083.20 and 196,387.44

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Solution

The fourth proportional to 349,370.88, 482,083.20 and 196,387.44 is: 270,987.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,370.88 : 482,083.20 = 196,387.44 : x
  2. Step 2: Convert to fraction form
    349,370.88/482,083.20 = 196,387.44/x
  3. Step 3: Cross multiply
    349,370.88x = 482,083.20 × 196,387.44
  4. Step 4: Simplify right side
    349,370.88x = 94,675,085,515.01
  5. Step 5: Solve for x
    x = 94,675,085,515.01/349,370.88
  6. Step 6: Final answer
    x = 270,987.34

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1.5x scale

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.