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Finding the Fourth Proportional to 602,763.41, 831,752.87 and 361,039.77

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Solution

The fourth proportional to 602,763.41, 831,752.87 and 361,039.77 is: 498,198.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,763.41 : 831,752.87 = 361,039.77 : x
  2. Step 2: Convert to fraction form
    602,763.41/831,752.87 = 361,039.77/x
  3. Step 3: Cross multiply
    602,763.41x = 831,752.87 × 361,039.77
  4. Step 4: Simplify right side
    602,763.41x = 300,295,863,076.44
  5. Step 5: Solve for x
    x = 300,295,863,076.44/602,763.41
  6. Step 6: Final answer
    x = 498,198.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.