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Finding the Fourth Proportional to 644,873.34, 967,308.84 and 171,558.69

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Solution

The fourth proportional to 644,873.34, 967,308.84 and 171,558.69 is: 257,337.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,873.34 : 967,308.84 = 171,558.69 : x
  2. Step 2: Convert to fraction form
    644,873.34/967,308.84 = 171,558.69/x
  3. Step 3: Cross multiply
    644,873.34x = 967,308.84 × 171,558.69
  4. Step 4: Simplify right side
    644,873.34x = 165,950,237,415.82
  5. Step 5: Solve for x
    x = 165,950,237,415.82/644,873.34
  6. Step 6: Final answer
    x = 257,337.72

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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.