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Finding the Fourth Proportional to 567,822.72, 852,324.84 and 418,231.92

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Solution

The fourth proportional to 567,822.72, 852,324.84 and 418,231.92 is: 627,783.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,822.72 : 852,324.84 = 418,231.92 : x
  2. Step 2: Convert to fraction form
    567,822.72/852,324.84 = 418,231.92/x
  3. Step 3: Cross multiply
    567,822.72x = 852,324.84 × 418,231.92
  4. Step 4: Simplify right side
    567,822.72x = 356,469,454,296.89
  5. Step 5: Solve for x
    x = 356,469,454,296.89/567,822.72
  6. Step 6: Final answer
    x = 627,783.01

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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.