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Finding the Fourth Proportional to 197,962,297.30, 277,721,172.50 and 197,962,297.30

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Solution

The fourth proportional to 197,962,297.30, 277,721,172.50 and 197,962,297.30 is: 277,721,172.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,962,297.30 : 277,721,172.50 = 197,962,297.30 : x
  2. Step 2: Convert to fraction form
    197,962,297.30/277,721,172.50 = 197,962,297.30/x
  3. Step 3: Cross multiply
    197,962,297.30x = 277,721,172.50 × 197,962,297.30
  4. Step 4: Simplify right side
    197,962,297.30x = 54,978,321,316,949,584
  5. Step 5: Solve for x
    x = 54,978,321,316,949,584/197,962,297.30
  6. Step 6: Final answer
    x = 277,721,172.50

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.