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Finding the Fourth Proportional to 393,871.36, 590,999.84 and 244,071.60

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Solution

The fourth proportional to 393,871.36, 590,999.84 and 244,071.60 is: 366,226.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,871.36 : 590,999.84 = 244,071.60 : x
  2. Step 2: Convert to fraction form
    393,871.36/590,999.84 = 244,071.60/x
  3. Step 3: Cross multiply
    393,871.36x = 590,999.84 × 244,071.60
  4. Step 4: Simplify right side
    393,871.36x = 144,246,276,548.54
  5. Step 5: Solve for x
    x = 144,246,276,548.54/393,871.36
  6. Step 6: Final answer
    x = 366,226.87

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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.