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Finding the Fourth Proportional to 666,177.50, 999,274.76 and 192,863.32

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Solution

The fourth proportional to 666,177.50, 999,274.76 and 192,863.32 is: 289,297.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,177.50 : 999,274.76 = 192,863.32 : x
  2. Step 2: Convert to fraction form
    666,177.50/999,274.76 = 192,863.32/x
  3. Step 3: Cross multiply
    666,177.50x = 999,274.76 × 192,863.32
  4. Step 4: Simplify right side
    666,177.50x = 192,723,441,845.11
  5. Step 5: Solve for x
    x = 192,723,441,845.11/666,177.50
  6. Step 6: Final answer
    x = 289,297.43

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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.