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Finding the Fourth Proportional to 555,163.10, 832,688.61 and 376,396.37

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Solution

The fourth proportional to 555,163.10, 832,688.61 and 376,396.37 is: 564,556.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,163.10 : 832,688.61 = 376,396.37 : x
  2. Step 2: Convert to fraction form
    555,163.10/832,688.61 = 376,396.37/x
  3. Step 3: Cross multiply
    555,163.10x = 832,688.61 × 376,396.37
  4. Step 4: Simplify right side
    555,163.10x = 313,420,965,980.90
  5. Step 5: Solve for x
    x = 313,420,965,980.90/555,163.10
  6. Step 6: Final answer
    x = 564,556.56

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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.