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Finding the Fourth Proportional to 694,451.91, 958,671.30 and 522,435.54

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Solution

The fourth proportional to 694,451.91, 958,671.30 and 522,435.54 is: 721,207.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,451.91 : 958,671.30 = 522,435.54 : x
  2. Step 2: Convert to fraction form
    694,451.91/958,671.30 = 522,435.54/x
  3. Step 3: Cross multiply
    694,451.91x = 958,671.30 × 522,435.54
  4. Step 4: Simplify right side
    694,451.91x = 500,843,955,520.93
  5. Step 5: Solve for x
    x = 500,843,955,520.93/694,451.91
  6. Step 6: Final answer
    x = 721,207.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.