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Finding the Fourth Proportional to 468,444.33, 702,561.32 and 215,481.87

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Solution

The fourth proportional to 468,444.33, 702,561.32 and 215,481.87 is: 323,174.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,444.33 : 702,561.32 = 215,481.87 : x
  2. Step 2: Convert to fraction form
    468,444.33/702,561.32 = 215,481.87/x
  3. Step 3: Cross multiply
    468,444.33x = 702,561.32 × 215,481.87
  4. Step 4: Simplify right side
    468,444.33x = 151,389,227,023.27
  5. Step 5: Solve for x
    x = 151,389,227,023.27/468,444.33
  6. Step 6: Final answer
    x = 323,174.43

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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.