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Finding the Fourth Proportional to 526,532.31, 789,917.31 and 166,725

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Solution

The fourth proportional to 526,532.31, 789,917.31 and 166,725 is: 250,125.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,532.31 : 789,917.31 = 166,725 : x
  2. Step 2: Convert to fraction form
    526,532.31/789,917.31 = 166,725/x
  3. Step 3: Cross multiply
    526,532.31x = 789,917.31 × 166,725
  4. Step 4: Simplify right side
    526,532.31x = 131,698,963,509.75
  5. Step 5: Solve for x
    x = 131,698,963,509.75/526,532.31
  6. Step 6: Final answer
    x = 250,125.13

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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.