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Finding the Fourth Proportional to 590,543.20, 885,944.40 and 191,202.40

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Solution

The fourth proportional to 590,543.20, 885,944.40 and 191,202.40 is: 286,845.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,543.20 : 885,944.40 = 191,202.40 : x
  2. Step 2: Convert to fraction form
    590,543.20/885,944.40 = 191,202.40/x
  3. Step 3: Cross multiply
    590,543.20x = 885,944.40 × 191,202.40
  4. Step 4: Simplify right side
    590,543.20x = 169,394,695,546.56
  5. Step 5: Solve for x
    x = 169,394,695,546.56/590,543.20
  6. Step 6: Final answer
    x = 286,845.56

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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.