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Finding the Fourth Proportional to 590,743.20, 815,223.52 and 332,620.12

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Solution

The fourth proportional to 590,743.20, 815,223.52 and 332,620.12 is: 459,014.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,743.20 : 815,223.52 = 332,620.12 : x
  2. Step 2: Convert to fraction form
    590,743.20/815,223.52 = 332,620.12/x
  3. Step 3: Cross multiply
    590,743.20x = 815,223.52 × 332,620.12
  4. Step 4: Simplify right side
    590,743.20x = 271,159,745,049.22
  5. Step 5: Solve for x
    x = 271,159,745,049.22/590,743.20
  6. Step 6: Final answer
    x = 459,014.59

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