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Finding the Fourth Proportional to 453,843.94, 680,839.80 and 134,028.16

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Solution

The fourth proportional to 453,843.94, 680,839.80 and 134,028.16 is: 201,064.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,843.94 : 680,839.80 = 134,028.16 : x
  2. Step 2: Convert to fraction form
    453,843.94/680,839.80 = 134,028.16/x
  3. Step 3: Cross multiply
    453,843.94x = 680,839.80 × 134,028.16
  4. Step 4: Simplify right side
    453,843.94x = 91,251,705,648.77
  5. Step 5: Solve for x
    x = 91,251,705,648.77/453,843.94
  6. Step 6: Final answer
    x = 201,064.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.