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Finding the Fourth Proportional to 4,792,788.31, 7,189,246.02 and 1,597,915.51

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Solution

The fourth proportional to 4,792,788.31, 7,189,246.02 and 1,597,915.51 is: 2,396,894.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,792,788.31 : 7,189,246.02 = 1,597,915.51 : x
  2. Step 2: Convert to fraction form
    4,792,788.31/7,189,246.02 = 1,597,915.51/x
  3. Step 3: Cross multiply
    4,792,788.31x = 7,189,246.02 × 1,597,915.51
  4. Step 4: Simplify right side
    4,792,788.31x = 11,487,807,676,627.96
  5. Step 5: Solve for x
    x = 11,487,807,676,627.96/4,792,788.31
  6. Step 6: Final answer
    x = 2,396,894.45

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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.