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Finding the Fourth Proportional to 701,910.50, 968,636.67 and 396,051.71

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Solution

The fourth proportional to 701,910.50, 968,636.67 and 396,051.71 is: 546,551.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,910.50 : 968,636.67 = 396,051.71 : x
  2. Step 2: Convert to fraction form
    701,910.50/968,636.67 = 396,051.71/x
  3. Step 3: Cross multiply
    701,910.50x = 968,636.67 × 396,051.71
  4. Step 4: Simplify right side
    701,910.50x = 383,630,204,679.02
  5. Step 5: Solve for x
    x = 383,630,204,679.02/701,910.50
  6. Step 6: Final answer
    x = 546,551.46

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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.