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Finding the Fourth Proportional to 433,599.91, 650,175.77 and 190,341.43

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Solution

The fourth proportional to 433,599.91, 650,175.77 and 190,341.43 is: 285,413.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,599.91 : 650,175.77 = 190,341.43 : x
  2. Step 2: Convert to fraction form
    433,599.91/650,175.77 = 190,341.43/x
  3. Step 3: Cross multiply
    433,599.91x = 650,175.77 × 190,341.43
  4. Step 4: Simplify right side
    433,599.91x = 123,755,385,813.15
  5. Step 5: Solve for x
    x = 123,755,385,813.15/433,599.91
  6. Step 6: Final answer
    x = 285,413.77

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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.