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Finding the Fourth Proportional to 655,290.82, 981,749.67 and 300,601.54

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Solution

The fourth proportional to 655,290.82, 981,749.67 and 300,601.54 is: 450,358.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,290.82 : 981,749.67 = 300,601.54 : x
  2. Step 2: Convert to fraction form
    655,290.82/981,749.67 = 300,601.54/x
  3. Step 3: Cross multiply
    655,290.82x = 981,749.67 × 300,601.54
  4. Step 4: Simplify right side
    655,290.82x = 295,115,462,696.49
  5. Step 5: Solve for x
    x = 295,115,462,696.49/655,290.82
  6. Step 6: Final answer
    x = 450,358.00

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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.