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Finding the Fourth Proportional to 620,233.30, 929,759.37 and 199,213.96

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Solution

The fourth proportional to 620,233.30, 929,759.37 and 199,213.96 is: 298,631.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,233.30 : 929,759.37 = 199,213.96 : x
  2. Step 2: Convert to fraction form
    620,233.30/929,759.37 = 199,213.96/x
  3. Step 3: Cross multiply
    620,233.30x = 929,759.37 × 199,213.96
  4. Step 4: Simplify right side
    620,233.30x = 185,221,045,944.81
  5. Step 5: Solve for x
    x = 185,221,045,944.81/620,233.30
  6. Step 6: Final answer
    x = 298,631.25

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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.