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Finding the Fourth Proportional to 526,794.55, 789,871.83 and 206,562.75

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Solution

The fourth proportional to 526,794.55, 789,871.83 and 206,562.75 is: 309,718.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,794.55 : 789,871.83 = 206,562.75 : x
  2. Step 2: Convert to fraction form
    526,794.55/789,871.83 = 206,562.75/x
  3. Step 3: Cross multiply
    526,794.55x = 789,871.83 × 206,562.75
  4. Step 4: Simplify right side
    526,794.55x = 163,158,097,352.33
  5. Step 5: Solve for x
    x = 163,158,097,352.33/526,794.55
  6. Step 6: Final answer
    x = 309,718.65

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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.