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Finding the Fourth Proportional to 550,212.55, 825,321.56 and 250,483.44

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Solution

The fourth proportional to 550,212.55, 825,321.56 and 250,483.44 is: 375,726.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,212.55 : 825,321.56 = 250,483.44 : x
  2. Step 2: Convert to fraction form
    550,212.55/825,321.56 = 250,483.44/x
  3. Step 3: Cross multiply
    550,212.55x = 825,321.56 × 250,483.44
  4. Step 4: Simplify right side
    550,212.55x = 206,729,380,655.07
  5. Step 5: Solve for x
    x = 206,729,380,655.07/550,212.55
  6. Step 6: Final answer
    x = 375,726.40

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1.5x scale

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.