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Finding the Fourth Proportional to 264,336.68, 396,454.44 and 74,795.24

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Solution

The fourth proportional to 264,336.68, 396,454.44 and 74,795.24 is: 112,178.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,336.68 : 396,454.44 = 74,795.24 : x
  2. Step 2: Convert to fraction form
    264,336.68/396,454.44 = 74,795.24/x
  3. Step 3: Cross multiply
    264,336.68x = 396,454.44 × 74,795.24
  4. Step 4: Simplify right side
    264,336.68x = 29,652,904,988.87
  5. Step 5: Solve for x
    x = 29,652,904,988.87/264,336.68
  6. Step 6: Final answer
    x = 112,178.55

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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.