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Finding the Fourth Proportional to 351,185.73, 484,635.74 and 198,256.11

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Solution

The fourth proportional to 351,185.73, 484,635.74 and 198,256.11 is: 273,593.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,185.73 : 484,635.74 = 198,256.11 : x
  2. Step 2: Convert to fraction form
    351,185.73/484,635.74 = 198,256.11/x
  3. Step 3: Cross multiply
    351,185.73x = 484,635.74 × 198,256.11
  4. Step 4: Simplify right side
    351,185.73x = 96,081,995,588.09
  5. Step 5: Solve for x
    x = 96,081,995,588.09/351,185.73
  6. Step 6: Final answer
    x = 273,593.11

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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.