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Finding the Fourth Proportional to 526,382.71, 789,573.86 and 206,685.00

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Solution

The fourth proportional to 526,382.71, 789,573.86 and 206,685.00 is: 310,027.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,382.71 : 789,573.86 = 206,685.00 : x
  2. Step 2: Convert to fraction form
    526,382.71/789,573.86 = 206,685.00/x
  3. Step 3: Cross multiply
    526,382.71x = 789,573.86 × 206,685.00
  4. Step 4: Simplify right side
    526,382.71x = 163,193,072,202.19
  5. Step 5: Solve for x
    x = 163,193,072,202.19/526,382.71
  6. Step 6: Final answer
    x = 310,027.42

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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.