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Finding the Fourth Proportional to 349,627.82, 482,349.75 and 196,630.92

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Solution

The fourth proportional to 349,627.82, 482,349.75 and 196,630.92 is: 271,273.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,627.82 : 482,349.75 = 196,630.92 : x
  2. Step 2: Convert to fraction form
    349,627.82/482,349.75 = 196,630.92/x
  3. Step 3: Cross multiply
    349,627.82x = 482,349.75 × 196,630.92
  4. Step 4: Simplify right side
    349,627.82x = 94,844,875,104.27
  5. Step 5: Solve for x
    x = 94,844,875,104.27/349,627.82
  6. Step 6: Final answer
    x = 271,273.82

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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.