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Finding the Fourth Proportional to 591,190.06, 886,873.65 and 191,698.06

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Solution

The fourth proportional to 591,190.06, 886,873.65 and 191,698.06 is: 287,575.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,190.06 : 886,873.65 = 191,698.06 : x
  2. Step 2: Convert to fraction form
    591,190.06/886,873.65 = 191,698.06/x
  3. Step 3: Cross multiply
    591,190.06x = 886,873.65 × 191,698.06
  4. Step 4: Simplify right side
    591,190.06x = 170,011,958,170.12
  5. Step 5: Solve for x
    x = 170,011,958,170.12/591,190.06
  6. Step 6: Final answer
    x = 287,575.81

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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.