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Finding the Fourth Proportional to 324,866.08, 448,433.89 and 195,809.16

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Solution

The fourth proportional to 324,866.08, 448,433.89 and 195,809.16 is: 270,288.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,866.08 : 448,433.89 = 195,809.16 : x
  2. Step 2: Convert to fraction form
    324,866.08/448,433.89 = 195,809.16/x
  3. Step 3: Cross multiply
    324,866.08x = 448,433.89 × 195,809.16
  4. Step 4: Simplify right side
    324,866.08x = 87,807,463,316.43
  5. Step 5: Solve for x
    x = 87,807,463,316.43/324,866.08
  6. Step 6: Final answer
    x = 270,288.19

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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.