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Finding the Fourth Proportional to 4,792,787.81, 7,189,245.26 and 1,597,915.01

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Solution

The fourth proportional to 4,792,787.81, 7,189,245.26 and 1,597,915.01 is: 2,396,893.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,792,787.81 : 7,189,245.26 = 1,597,915.01 : x
  2. Step 2: Convert to fraction form
    4,792,787.81/7,189,245.26 = 1,597,915.01/x
  3. Step 3: Cross multiply
    4,792,787.81x = 7,189,245.26 × 1,597,915.01
  4. Step 4: Simplify right side
    4,792,787.81x = 11,487,802,879,573.91
  5. Step 5: Solve for x
    x = 11,487,802,879,573.91/4,792,787.81
  6. Step 6: Final answer
    x = 2,396,893.70

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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.