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Finding the Fourth Proportional to 483,708.01, 725,649.30 and 199,243.30

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Solution

The fourth proportional to 483,708.01, 725,649.30 and 199,243.30 is: 298,900.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,708.01 : 725,649.30 = 199,243.30 : x
  2. Step 2: Convert to fraction form
    483,708.01/725,649.30 = 199,243.30/x
  3. Step 3: Cross multiply
    483,708.01x = 725,649.30 × 199,243.30
  4. Step 4: Simplify right side
    483,708.01x = 144,580,759,360.57
  5. Step 5: Solve for x
    x = 144,580,759,360.57/483,708.01
  6. Step 6: Final answer
    x = 298,900.90

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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.