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Finding the Fourth Proportional to 793,356.72, 1,190,508 and 287,957.22

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Solution

The fourth proportional to 793,356.72, 1,190,508 and 287,957.22 is: 432,107.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,356.72 : 1,190,508 = 287,957.22 : x
  2. Step 2: Convert to fraction form
    793,356.72/1,190,508 = 287,957.22/x
  3. Step 3: Cross multiply
    793,356.72x = 1,190,508 × 287,957.22
  4. Step 4: Simplify right side
    793,356.72x = 342,815,374,067.76
  5. Step 5: Solve for x
    x = 342,815,374,067.76/793,356.72
  6. Step 6: Final answer
    x = 432,107.48

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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.