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Finding the Fourth Proportional to 590,471.43, 885,847.74 and 191,112.20

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Solution

The fourth proportional to 590,471.43, 885,847.74 and 191,112.20 is: 286,713.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,471.43 : 885,847.74 = 191,112.20 : x
  2. Step 2: Convert to fraction form
    590,471.43/885,847.74 = 191,112.20/x
  3. Step 3: Cross multiply
    590,471.43x = 885,847.74 × 191,112.20
  4. Step 4: Simplify right side
    590,471.43x = 169,296,310,456.43
  5. Step 5: Solve for x
    x = 169,296,310,456.43/590,471.43
  6. Step 6: Final answer
    x = 286,713.81

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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.