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Finding the Fourth Proportional to 351,185.36, 484,635.22 and 198,255.74

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Solution

The fourth proportional to 351,185.36, 484,635.22 and 198,255.74 is: 273,592.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,185.36 : 484,635.22 = 198,255.74 : x
  2. Step 2: Convert to fraction form
    351,185.36/484,635.22 = 198,255.74/x
  3. Step 3: Cross multiply
    351,185.36x = 484,635.22 × 198,255.74
  4. Step 4: Simplify right side
    351,185.36x = 96,081,711,252.35
  5. Step 5: Solve for x
    x = 96,081,711,252.35/351,185.36
  6. Step 6: Final answer
    x = 273,592.59

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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.