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Finding the Fourth Proportional to 693,506.88, 1,040,299.20 and 194,832

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Solution

The fourth proportional to 693,506.88, 1,040,299.20 and 194,832 is: 292,258.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,506.88 : 1,040,299.20 = 194,832 : x
  2. Step 2: Convert to fraction form
    693,506.88/1,040,299.20 = 194,832/x
  3. Step 3: Cross multiply
    693,506.88x = 1,040,299.20 × 194,832
  4. Step 4: Simplify right side
    693,506.88x = 202,683,573,734.40
  5. Step 5: Solve for x
    x = 202,683,573,734.40/693,506.88
  6. Step 6: Final answer
    x = 292,258.92

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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.