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Finding the Fourth Proportional to 526,791.81, 789,867.72 and 206,560.02

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Solution

The fourth proportional to 526,791.81, 789,867.72 and 206,560.02 is: 309,714.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,791.81 : 789,867.72 = 206,560.02 : x
  2. Step 2: Convert to fraction form
    526,791.81/789,867.72 = 206,560.02/x
  3. Step 3: Cross multiply
    526,791.81x = 789,867.72 × 206,560.02
  4. Step 4: Simplify right side
    526,791.81x = 163,155,088,349.42
  5. Step 5: Solve for x
    x = 163,155,088,349.42/526,791.81
  6. Step 6: Final answer
    x = 309,714.55

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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.