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Finding the Fourth Proportional to 248,832,178.70, 347,558,834.50 and 248,832,178.70

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Solution

The fourth proportional to 248,832,178.70, 347,558,834.50 and 248,832,178.70 is: 347,558,834.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,832,178.70 : 347,558,834.50 = 248,832,178.70 : x
  2. Step 2: Convert to fraction form
    248,832,178.70/347,558,834.50 = 248,832,178.70/x
  3. Step 3: Cross multiply
    248,832,178.70x = 347,558,834.50 × 248,832,178.70
  4. Step 4: Simplify right side
    248,832,178.70x = 86,483,822,015,067,728
  5. Step 5: Solve for x
    x = 86,483,822,015,067,728/248,832,178.70
  6. Step 6: Final answer
    x = 347,558,834.50

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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.