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Finding the Fourth Proportional to 349,127.40, 481,796.19 and 198,224.40

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Solution

The fourth proportional to 349,127.40, 481,796.19 and 198,224.40 is: 273,549.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,127.40 : 481,796.19 = 198,224.40 : x
  2. Step 2: Convert to fraction form
    349,127.40/481,796.19 = 198,224.40/x
  3. Step 3: Cross multiply
    349,127.40x = 481,796.19 × 198,224.40
  4. Step 4: Simplify right side
    349,127.40x = 95,503,760,685.04
  5. Step 5: Solve for x
    x = 95,503,760,685.04/349,127.40
  6. Step 6: Final answer
    x = 273,549.89

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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.