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Finding the Fourth Proportional to 199,300,512.70, 298,950,769.05 and 199,300,512.70

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Solution

The fourth proportional to 199,300,512.70, 298,950,769.05 and 199,300,512.70 is: 298,950,769.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,300,512.70 : 298,950,769.05 = 199,300,512.70 : x
  2. Step 2: Convert to fraction form
    199,300,512.70/298,950,769.05 = 199,300,512.70/x
  3. Step 3: Cross multiply
    199,300,512.70x = 298,950,769.05 × 199,300,512.70
  4. Step 4: Simplify right side
    199,300,512.70x = 59,581,041,543,724,288
  5. Step 5: Solve for x
    x = 59,581,041,543,724,288/199,300,512.70
  6. Step 6: Final answer
    x = 298,950,769.05

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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.