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Finding the Fourth Proportional to 655,853.58, 981,558.35 and 403,294.04

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Solution

The fourth proportional to 655,853.58, 981,558.35 and 403,294.04 is: 603,574.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,853.58 : 981,558.35 = 403,294.04 : x
  2. Step 2: Convert to fraction form
    655,853.58/981,558.35 = 403,294.04/x
  3. Step 3: Cross multiply
    655,853.58x = 981,558.35 × 403,294.04
  4. Step 4: Simplify right side
    655,853.58x = 395,856,632,467.23
  5. Step 5: Solve for x
    x = 395,856,632,467.23/655,853.58
  6. Step 6: Final answer
    x = 603,574.71

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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.