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Finding the Fourth Proportional to 397,292.85, 595,957.64 and 131,076.63

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Solution

The fourth proportional to 397,292.85, 595,957.64 and 131,076.63 is: 196,621.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,292.85 : 595,957.64 = 131,076.63 : x
  2. Step 2: Convert to fraction form
    397,292.85/595,957.64 = 131,076.63/x
  3. Step 3: Cross multiply
    397,292.85x = 595,957.64 × 131,076.63
  4. Step 4: Simplify right side
    397,292.85x = 78,116,118,418.57
  5. Step 5: Solve for x
    x = 78,116,118,418.57/397,292.85
  6. Step 6: Final answer
    x = 196,621.00

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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.