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Finding the Fourth Proportional to 264,605.79, 396,975.51 and 114,809.66

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Solution

The fourth proportional to 264,605.79, 396,975.51 and 114,809.66 is: 172,243.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,605.79 : 396,975.51 = 114,809.66 : x
  2. Step 2: Convert to fraction form
    264,605.79/396,975.51 = 114,809.66/x
  3. Step 3: Cross multiply
    264,605.79x = 396,975.51 × 114,809.66
  4. Step 4: Simplify right side
    264,605.79x = 45,576,621,346.55
  5. Step 5: Solve for x
    x = 45,576,621,346.55/264,605.79
  6. Step 6: Final answer
    x = 172,243.48

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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.