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Finding the Fourth Proportional to 655,282.82, 981,504.52 and 317,617.11

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Solution

The fourth proportional to 655,282.82, 981,504.52 and 317,617.11 is: 475,737.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,282.82 : 981,504.52 = 317,617.11 : x
  2. Step 2: Convert to fraction form
    655,282.82/981,504.52 = 317,617.11/x
  3. Step 3: Cross multiply
    655,282.82x = 981,504.52 × 317,617.11
  4. Step 4: Simplify right side
    655,282.82x = 311,742,627,506.25
  5. Step 5: Solve for x
    x = 311,742,627,506.25/655,282.82
  6. Step 6: Final answer
    x = 475,737.53

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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.