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Finding the Fourth Proportional to 264,377.39, 396,566.08 and 77,388.89

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Solution

The fourth proportional to 264,377.39, 396,566.08 and 77,388.89 is: 116,083.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,377.39 : 396,566.08 = 77,388.89 : x
  2. Step 2: Convert to fraction form
    264,377.39/396,566.08 = 77,388.89/x
  3. Step 3: Cross multiply
    264,377.39x = 396,566.08 × 77,388.89
  4. Step 4: Simplify right side
    264,377.39x = 30,689,806,566.55
  5. Step 5: Solve for x
    x = 30,689,806,566.55/264,377.39
  6. Step 6: Final answer
    x = 116,083.33

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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.