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Finding the Fourth Proportional to 795,916, 1,099,093.88 and 505,621.32

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Solution

The fourth proportional to 795,916, 1,099,093.88 and 505,621.32 is: 698,221.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    795,916 : 1,099,093.88 = 505,621.32 : x
  2. Step 2: Convert to fraction form
    795,916/1,099,093.88 = 505,621.32/x
  3. Step 3: Cross multiply
    795,916x = 1,099,093.88 × 505,621.32
  4. Step 4: Simplify right side
    795,916x = 555,725,298,409.52
  5. Step 5: Solve for x
    x = 555,725,298,409.52/795,916
  6. Step 6: Final answer
    x = 698,221.04

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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.