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Finding the Fourth Proportional to 655,290.32, 981,748.92 and 300,601.04

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Solution

The fourth proportional to 655,290.32, 981,748.92 and 300,601.04 is: 450,357.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,290.32 : 981,748.92 = 300,601.04 : x
  2. Step 2: Convert to fraction form
    655,290.32/981,748.92 = 300,601.04/x
  3. Step 3: Cross multiply
    655,290.32x = 981,748.92 × 300,601.04
  4. Step 4: Simplify right side
    655,290.32x = 295,114,746,370.88
  5. Step 5: Solve for x
    x = 295,114,746,370.88/655,290.32
  6. Step 6: Final answer
    x = 450,357.25

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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.