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Finding the Fourth Proportional to 467,157.78, 644,005.89 and 332,788.50

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Solution

The fourth proportional to 467,157.78, 644,005.89 and 332,788.50 is: 458,769.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,157.78 : 644,005.89 = 332,788.50 : x
  2. Step 2: Convert to fraction form
    467,157.78/644,005.89 = 332,788.50/x
  3. Step 3: Cross multiply
    467,157.78x = 644,005.89 × 332,788.50
  4. Step 4: Simplify right side
    467,157.78x = 214,317,754,124.27
  5. Step 5: Solve for x
    x = 214,317,754,124.27/467,157.78
  6. Step 6: Final answer
    x = 458,769.53

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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.