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Finding the Fourth Proportional to 673,906.49, 930,028.82 and 368,011.29

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Solution

The fourth proportional to 673,906.49, 930,028.82 and 368,011.29 is: 507,876.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,906.49 : 930,028.82 = 368,011.29 : x
  2. Step 2: Convert to fraction form
    673,906.49/930,028.82 = 368,011.29/x
  3. Step 3: Cross multiply
    673,906.49x = 930,028.82 × 368,011.29
  4. Step 4: Simplify right side
    673,906.49x = 342,261,103,945.32
  5. Step 5: Solve for x
    x = 342,261,103,945.32/673,906.49
  6. Step 6: Final answer
    x = 507,876.26

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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.