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Finding the Fourth Proportional to 591,073.89, 886,740.48 and 191,755.05

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Solution

The fourth proportional to 591,073.89, 886,740.48 and 191,755.05 is: 287,674.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,073.89 : 886,740.48 = 191,755.05 : x
  2. Step 2: Convert to fraction form
    591,073.89/886,740.48 = 191,755.05/x
  3. Step 3: Cross multiply
    591,073.89x = 886,740.48 × 191,755.05
  4. Step 4: Simplify right side
    591,073.89x = 170,036,965,079.42
  5. Step 5: Solve for x
    x = 170,036,965,079.42/591,073.89
  6. Step 6: Final answer
    x = 287,674.63

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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.