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Finding the Fourth Proportional to 318,604.57, 477,895.71 and 93,968.48

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Solution

The fourth proportional to 318,604.57, 477,895.71 and 93,968.48 is: 140,949.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,604.57 : 477,895.71 = 93,968.48 : x
  2. Step 2: Convert to fraction form
    318,604.57/477,895.71 = 93,968.48/x
  3. Step 3: Cross multiply
    318,604.57x = 477,895.71 × 93,968.48
  4. Step 4: Simplify right side
    318,604.57x = 44,907,133,467.22
  5. Step 5: Solve for x
    x = 44,907,133,467.22/318,604.57
  6. Step 6: Final answer
    x = 140,949.43

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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.