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Finding the Fourth Proportional to 700,630.22, 966,872.66 and 394,710.26

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Solution

The fourth proportional to 700,630.22, 966,872.66 and 394,710.26 is: 544,701.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,630.22 : 966,872.66 = 394,710.26 : x
  2. Step 2: Convert to fraction form
    700,630.22/966,872.66 = 394,710.26/x
  3. Step 3: Cross multiply
    700,630.22x = 966,872.66 × 394,710.26
  4. Step 4: Simplify right side
    700,630.22x = 381,634,555,833.35
  5. Step 5: Solve for x
    x = 381,634,555,833.35/700,630.22
  6. Step 6: Final answer
    x = 544,701.82

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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.