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Finding the Fourth Proportional to 264,327.55, 396,491.33 and 64,645.56

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Solution

The fourth proportional to 264,327.55, 396,491.33 and 64,645.56 is: 96,968.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,327.55 : 396,491.33 = 64,645.56 : x
  2. Step 2: Convert to fraction form
    264,327.55/396,491.33 = 64,645.56/x
  3. Step 3: Cross multiply
    264,327.55x = 396,491.33 × 64,645.56
  4. Step 4: Simplify right side
    264,327.55x = 25,631,404,224.61
  5. Step 5: Solve for x
    x = 25,631,404,224.61/264,327.55
  6. Step 6: Final answer
    x = 96,968.34

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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.