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Finding the Fourth Proportional to 644,676.01, 967,012.95 and 171,361.37

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Solution

The fourth proportional to 644,676.01, 967,012.95 and 171,361.37 is: 257,041.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,676.01 : 967,012.95 = 171,361.37 : x
  2. Step 2: Convert to fraction form
    644,676.01/967,012.95 = 171,361.37/x
  3. Step 3: Cross multiply
    644,676.01x = 967,012.95 × 171,361.37
  4. Step 4: Simplify right side
    644,676.01x = 165,708,663,919.74
  5. Step 5: Solve for x
    x = 165,708,663,919.74/644,676.01
  6. Step 6: Final answer
    x = 257,041.77

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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.