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Finding the Fourth Proportional to 655,240.32, 981,673.92 and 300,551.04

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Solution

The fourth proportional to 655,240.32, 981,673.92 and 300,551.04 is: 450,282.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,240.32 : 981,673.92 = 300,551.04 : x
  2. Step 2: Convert to fraction form
    655,240.32/981,673.92 = 300,551.04/x
  3. Step 3: Cross multiply
    655,240.32x = 981,673.92 × 300,551.04
  4. Step 4: Simplify right side
    655,240.32x = 295,043,117,596.88
  5. Step 5: Solve for x
    x = 295,043,117,596.88/655,240.32
  6. Step 6: Final answer
    x = 450,282.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.