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Finding the Fourth Proportional to 665,234.64, 997,850.88 and 191,922.48

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Solution

The fourth proportional to 665,234.64, 997,850.88 and 191,922.48 is: 287,883.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,234.64 : 997,850.88 = 191,922.48 : x
  2. Step 2: Convert to fraction form
    665,234.64/997,850.88 = 191,922.48/x
  3. Step 3: Cross multiply
    665,234.64x = 997,850.88 × 191,922.48
  4. Step 4: Simplify right side
    665,234.64x = 191,510,015,559.78
  5. Step 5: Solve for x
    x = 191,510,015,559.78/665,234.64
  6. Step 6: Final answer
    x = 287,883.41

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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.