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Finding the Fourth Proportional to 2,995,906.80, 4,486,861.80 and 2,935,772.40

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Solution

The fourth proportional to 2,995,906.80, 4,486,861.80 and 2,935,772.40 is: 4,396,800.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,995,906.80 : 4,486,861.80 = 2,935,772.40 : x
  2. Step 2: Convert to fraction form
    2,995,906.80/4,486,861.80 = 2,935,772.40/x
  3. Step 3: Cross multiply
    2,995,906.80x = 4,486,861.80 × 2,935,772.40
  4. Step 4: Simplify right side
    2,995,906.80x = 13,172,405,035,054.32
  5. Step 5: Solve for x
    x = 13,172,405,035,054.32/2,995,906.80
  6. Step 6: Final answer
    x = 4,396,800.67

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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.