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Finding the Fourth Proportional to 483,796.80, 725,090.40 and 247,233.60

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Solution

The fourth proportional to 483,796.80, 725,090.40 and 247,233.60 is: 370,541.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,796.80 : 725,090.40 = 247,233.60 : x
  2. Step 2: Convert to fraction form
    483,796.80/725,090.40 = 247,233.60/x
  3. Step 3: Cross multiply
    483,796.80x = 725,090.40 × 247,233.60
  4. Step 4: Simplify right side
    483,796.80x = 179,266,709,917.44
  5. Step 5: Solve for x
    x = 179,266,709,917.44/483,796.80
  6. Step 6: Final answer
    x = 370,541.33

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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.