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Finding the Fourth Proportional to 695,813, 1,043,390.52 and 269,548.46

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Solution

The fourth proportional to 695,813, 1,043,390.52 and 269,548.46 is: 404,195.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,813 : 1,043,390.52 = 269,548.46 : x
  2. Step 2: Convert to fraction form
    695,813/1,043,390.52 = 269,548.46/x
  3. Step 3: Cross multiply
    695,813x = 1,043,390.52 × 269,548.46
  4. Step 4: Simplify right side
    695,813x = 281,244,307,844.60
  5. Step 5: Solve for x
    x = 281,244,307,844.60/695,813
  6. Step 6: Final answer
    x = 404,195.25

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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.