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Finding the Fourth Proportional to 252,003.90, 380,339.27 and 252,003.90

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Solution

The fourth proportional to 252,003.90, 380,339.27 and 252,003.90 is: 380,339.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,003.90 : 380,339.27 = 252,003.90 : x
  2. Step 2: Convert to fraction form
    252,003.90/380,339.27 = 252,003.90/x
  3. Step 3: Cross multiply
    252,003.90x = 380,339.27 × 252,003.90
  4. Step 4: Simplify right side
    252,003.90x = 95,846,978,103.13
  5. Step 5: Solve for x
    x = 95,846,978,103.13/252,003.90
  6. Step 6: Final answer
    x = 380,339.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.