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Finding the Fourth Proportional to 248,832,243.20, 347,558,924.80 and 248,832,243.20

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Solution

The fourth proportional to 248,832,243.20, 347,558,924.80 and 248,832,243.20 is: 347,558,924.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,832,243.20 : 347,558,924.80 = 248,832,243.20 : x
  2. Step 2: Convert to fraction form
    248,832,243.20/347,558,924.80 = 248,832,243.20/x
  3. Step 3: Cross multiply
    248,832,243.20x = 347,558,924.80 × 248,832,243.20
  4. Step 4: Simplify right side
    248,832,243.20x = 86,483,866,902,164,112
  5. Step 5: Solve for x
    x = 86,483,866,902,164,112/248,832,243.20
  6. Step 6: Final answer
    x = 347,558,924.80

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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.