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Finding the Fourth Proportional to 349,387.88, 482,106.66 and 196,404.44

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Solution

The fourth proportional to 349,387.88, 482,106.66 and 196,404.44 is: 271,010.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,387.88 : 482,106.66 = 196,404.44 : x
  2. Step 2: Convert to fraction form
    349,387.88/482,106.66 = 196,404.44/x
  3. Step 3: Cross multiply
    349,387.88x = 482,106.66 × 196,404.44
  4. Step 4: Simplify right side
    349,387.88x = 94,687,888,577.57
  5. Step 5: Solve for x
    x = 94,687,888,577.57/349,387.88
  6. Step 6: Final answer
    x = 271,010.80

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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.