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Finding the Fourth Proportional to 324,863.62, 448,289.03 and 188,887.91

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Solution

The fourth proportional to 324,863.62, 448,289.03 and 188,887.91 is: 260,652.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,863.62 : 448,289.03 = 188,887.91 : x
  2. Step 2: Convert to fraction form
    324,863.62/448,289.03 = 188,887.91/x
  3. Step 3: Cross multiply
    324,863.62x = 448,289.03 × 188,887.91
  4. Step 4: Simplify right side
    324,863.62x = 84,676,379,545.57
  5. Step 5: Solve for x
    x = 84,676,379,545.57/324,863.62
  6. Step 6: Final answer
    x = 260,652.09

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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.