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Finding the Fourth Proportional to 525,936.08, 789,111.48 and 193,538

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Solution

The fourth proportional to 525,936.08, 789,111.48 and 193,538 is: 290,383.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,936.08 : 789,111.48 = 193,538 : x
  2. Step 2: Convert to fraction form
    525,936.08/789,111.48 = 193,538/x
  3. Step 3: Cross multiply
    525,936.08x = 789,111.48 × 193,538
  4. Step 4: Simplify right side
    525,936.08x = 152,723,057,616.24
  5. Step 5: Solve for x
    x = 152,723,057,616.24/525,936.08
  6. Step 6: Final answer
    x = 290,383.31

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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.