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Finding the Fourth Proportional to 324,863.49, 448,288.86 and 188,887.79

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Solution

The fourth proportional to 324,863.49, 448,288.86 and 188,887.79 is: 260,651.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,863.49 : 448,288.86 = 188,887.79 : x
  2. Step 2: Convert to fraction form
    324,863.49/448,288.86 = 188,887.79/x
  3. Step 3: Cross multiply
    324,863.49x = 448,288.86 × 188,887.79
  4. Step 4: Simplify right side
    324,863.49x = 84,676,293,167.74
  5. Step 5: Solve for x
    x = 84,676,293,167.74/324,863.49
  6. Step 6: Final answer
    x = 260,651.92

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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.