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Finding the Fourth Proportional to 464,979,772.90, 697,469,660.37 and 192,350,539.90

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Solution

The fourth proportional to 464,979,772.90, 697,469,660.37 and 192,350,539.90 is: 288,525,810.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,979,772.90 : 697,469,660.37 = 192,350,539.90 : x
  2. Step 2: Convert to fraction form
    464,979,772.90/697,469,660.37 = 192,350,539.90/x
  3. Step 3: Cross multiply
    464,979,772.90x = 697,469,660.37 × 192,350,539.90
  4. Step 4: Simplify right side
    464,979,772.90x = 134,158,665,735,482,672
  5. Step 5: Solve for x
    x = 134,158,665,735,482,672/464,979,772.90
  6. Step 6: Final answer
    x = 288,525,810.27

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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.