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Finding the Fourth Proportional to 526,796.07, 789,874.11 and 206,564.29

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Solution

The fourth proportional to 526,796.07, 789,874.11 and 206,564.29 is: 309,720.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,796.07 : 789,874.11 = 206,564.29 : x
  2. Step 2: Convert to fraction form
    526,796.07/789,874.11 = 206,564.29/x
  3. Step 3: Cross multiply
    526,796.07x = 789,874.11 × 206,564.29
  4. Step 4: Simplify right side
    526,796.07x = 163,159,786,696.22
  5. Step 5: Solve for x
    x = 163,159,786,696.22/526,796.07
  6. Step 6: Final answer
    x = 309,720.97

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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.