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Finding the Fourth Proportional to 703,808.01, 1,055,489.04 and 254,469.42

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Solution

The fourth proportional to 703,808.01, 1,055,489.04 and 254,469.42 is: 381,623.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,808.01 : 1,055,489.04 = 254,469.42 : x
  2. Step 2: Convert to fraction form
    703,808.01/1,055,489.04 = 254,469.42/x
  3. Step 3: Cross multiply
    703,808.01x = 1,055,489.04 × 254,469.42
  4. Step 4: Simplify right side
    703,808.01x = 268,589,683,825.16
  5. Step 5: Solve for x
    x = 268,589,683,825.16/703,808.01
  6. Step 6: Final answer
    x = 381,623.51

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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.