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Finding the Fourth Proportional to 624,269,362.40, 936,120,608.40 and 235,963,138.40

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Solution

The fourth proportional to 624,269,362.40, 936,120,608.40 and 235,963,138.40 is: 353,837,573.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,269,362.40 : 936,120,608.40 = 235,963,138.40 : x
  2. Step 2: Convert to fraction form
    624,269,362.40/936,120,608.40 = 235,963,138.40/x
  3. Step 3: Cross multiply
    624,269,362.40x = 936,120,608.40 × 235,963,138.40
  4. Step 4: Simplify right side
    624,269,362.40x = 220,889,956,678,981,408
  5. Step 5: Solve for x
    x = 220,889,956,678,981,408/624,269,362.40
  6. Step 6: Final answer
    x = 353,837,573.94

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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.