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Finding the Fourth Proportional to 560,572.12, 773,591.70 and 305,929

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Solution

The fourth proportional to 560,572.12, 773,591.70 and 305,929 is: 422,183.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,572.12 : 773,591.70 = 305,929 : x
  2. Step 2: Convert to fraction form
    560,572.12/773,591.70 = 305,929/x
  3. Step 3: Cross multiply
    560,572.12x = 773,591.70 × 305,929
  4. Step 4: Simplify right side
    560,572.12x = 236,664,135,189.30
  5. Step 5: Solve for x
    x = 236,664,135,189.30/560,572.12
  6. Step 6: Final answer
    x = 422,183.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.