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Finding the Fourth Proportional to 349,396.74, 482,167.89 and 198,522.90

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Solution

The fourth proportional to 349,396.74, 482,167.89 and 198,522.90 is: 273,961.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,396.74 : 482,167.89 = 198,522.90 : x
  2. Step 2: Convert to fraction form
    349,396.74/482,167.89 = 198,522.90/x
  3. Step 3: Cross multiply
    349,396.74x = 482,167.89 × 198,522.90
  4. Step 4: Simplify right side
    349,396.74x = 95,721,367,809.68
  5. Step 5: Solve for x
    x = 95,721,367,809.68/349,396.74
  6. Step 6: Final answer
    x = 273,961.82

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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.