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Finding the Fourth Proportional to 673,163.08, 928,950.10 and 371,357

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Solution

The fourth proportional to 673,163.08, 928,950.10 and 371,357 is: 512,464.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,163.08 : 928,950.10 = 371,357 : x
  2. Step 2: Convert to fraction form
    673,163.08/928,950.10 = 371,357/x
  3. Step 3: Cross multiply
    673,163.08x = 928,950.10 × 371,357
  4. Step 4: Simplify right side
    673,163.08x = 344,972,122,285.70
  5. Step 5: Solve for x
    x = 344,972,122,285.70/673,163.08
  6. Step 6: Final answer
    x = 512,464.41

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Why These Related Problems?

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