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Finding the Fourth Proportional to 250,508.48, 345,309.01 and 189,836.24

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Solution

The fourth proportional to 250,508.48, 345,309.01 and 189,836.24 is: 261,676.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,508.48 : 345,309.01 = 189,836.24 : x
  2. Step 2: Convert to fraction form
    250,508.48/345,309.01 = 189,836.24/x
  3. Step 3: Cross multiply
    250,508.48x = 345,309.01 × 189,836.24
  4. Step 4: Simplify right side
    250,508.48x = 65,552,161,895.39
  5. Step 5: Solve for x
    x = 65,552,161,895.39/250,508.48
  6. Step 6: Final answer
    x = 261,676.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.