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Finding the Fourth Proportional to 496,093.70, 744,313.35 and 215,812.10

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Solution

The fourth proportional to 496,093.70, 744,313.35 and 215,812.10 is: 323,793.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,093.70 : 744,313.35 = 215,812.10 : x
  2. Step 2: Convert to fraction form
    496,093.70/744,313.35 = 215,812.10/x
  3. Step 3: Cross multiply
    496,093.70x = 744,313.35 × 215,812.10
  4. Step 4: Simplify right side
    496,093.70x = 160,631,827,121.54
  5. Step 5: Solve for x
    x = 160,631,827,121.54/496,093.70
  6. Step 6: Final answer
    x = 323,793.32

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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.