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Finding the Fourth Proportional to 422,442.84, 632,154.42 and 366,936.96

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Solution

The fourth proportional to 422,442.84, 632,154.42 and 366,936.96 is: 549,093.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,442.84 : 632,154.42 = 366,936.96 : x
  2. Step 2: Convert to fraction form
    422,442.84/632,154.42 = 366,936.96/x
  3. Step 3: Cross multiply
    422,442.84x = 632,154.42 × 366,936.96
  4. Step 4: Simplify right side
    422,442.84x = 231,960,821,125.36
  5. Step 5: Solve for x
    x = 231,960,821,125.36/422,442.84
  6. Step 6: Final answer
    x = 549,093.98

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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.