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Finding the Fourth Proportional to 681,794.35, 1,022,992.76 and 357,505

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Solution

The fourth proportional to 681,794.35, 1,022,992.76 and 357,505 is: 536,415.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,794.35 : 1,022,992.76 = 357,505 : x
  2. Step 2: Convert to fraction form
    681,794.35/1,022,992.76 = 357,505/x
  3. Step 3: Cross multiply
    681,794.35x = 1,022,992.76 × 357,505
  4. Step 4: Simplify right side
    681,794.35x = 365,725,026,663.80
  5. Step 5: Solve for x
    x = 365,725,026,663.80/681,794.35
  6. Step 6: Final answer
    x = 536,415.46

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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.