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Finding the Fourth Proportional to 264,522.76, 396,804.39 and 74,979.94

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Solution

The fourth proportional to 264,522.76, 396,804.39 and 74,979.94 is: 112,475.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,522.76 : 396,804.39 = 74,979.94 : x
  2. Step 2: Convert to fraction form
    264,522.76/396,804.39 = 74,979.94/x
  3. Step 3: Cross multiply
    264,522.76x = 396,804.39 × 74,979.94
  4. Step 4: Simplify right side
    264,522.76x = 29,752,369,353.94
  5. Step 5: Solve for x
    x = 29,752,369,353.94/264,522.76
  6. Step 6: Final answer
    x = 112,475.65

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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.