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Finding the Fourth Proportional to 349,522.73, 482,336.78 and 196,560.87

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Solution

The fourth proportional to 349,522.73, 482,336.78 and 196,560.87 is: 271,251.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,522.73 : 482,336.78 = 196,560.87 : x
  2. Step 2: Convert to fraction form
    349,522.73/482,336.78 = 196,560.87/x
  3. Step 3: Cross multiply
    349,522.73x = 482,336.78 × 196,560.87
  4. Step 4: Simplify right side
    349,522.73x = 94,808,536,126.99
  5. Step 5: Solve for x
    x = 94,808,536,126.99/349,522.73
  6. Step 6: Final answer
    x = 271,251.42

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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.