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Finding the Fourth Proportional to 526,612.33, 789,767.70 and 171,657.37

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Solution

The fourth proportional to 526,612.33, 789,767.70 and 171,657.37 is: 257,436.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,612.33 : 789,767.70 = 171,657.37 : x
  2. Step 2: Convert to fraction form
    526,612.33/789,767.70 = 171,657.37/x
  3. Step 3: Cross multiply
    526,612.33x = 789,767.70 × 171,657.37
  4. Step 4: Simplify right side
    526,612.33x = 135,569,446,292.95
  5. Step 5: Solve for x
    x = 135,569,446,292.95/526,612.33
  6. Step 6: Final answer
    x = 257,436.90

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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.