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Finding the Fourth Proportional to 324,870.56, 448,141.39 and 188,889.48

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Solution

The fourth proportional to 324,870.56, 448,141.39 and 188,889.48 is: 260,562.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,870.56 : 448,141.39 = 188,889.48 : x
  2. Step 2: Convert to fraction form
    324,870.56/448,141.39 = 188,889.48/x
  3. Step 3: Cross multiply
    324,870.56x = 448,141.39 × 188,889.48
  4. Step 4: Simplify right side
    324,870.56x = 84,649,193,651.35
  5. Step 5: Solve for x
    x = 84,649,193,651.35/324,870.56
  6. Step 6: Final answer
    x = 260,562.83

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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.