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Finding the Fourth Proportional to 591,189.06, 886,872.15 and 191,697.06

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Solution

The fourth proportional to 591,189.06, 886,872.15 and 191,697.06 is: 287,574.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,189.06 : 886,872.15 = 191,697.06 : x
  2. Step 2: Convert to fraction form
    591,189.06/886,872.15 = 191,697.06/x
  3. Step 3: Cross multiply
    591,189.06x = 886,872.15 × 191,697.06
  4. Step 4: Simplify right side
    591,189.06x = 170,010,783,750.88
  5. Step 5: Solve for x
    x = 170,010,783,750.88/591,189.06
  6. Step 6: Final answer
    x = 287,574.31

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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.