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Finding the Fourth Proportional to 207,660,604.10, 311,490,906.15 and 207,660,604.10

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Solution

The fourth proportional to 207,660,604.10, 311,490,906.15 and 207,660,604.10 is: 311,490,906.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,660,604.10 : 311,490,906.15 = 207,660,604.10 : x
  2. Step 2: Convert to fraction form
    207,660,604.10/311,490,906.15 = 207,660,604.10/x
  3. Step 3: Cross multiply
    207,660,604.10x = 311,490,906.15 × 207,660,604.10
  4. Step 4: Simplify right side
    207,660,604.10x = 64,684,389,742,765,400
  5. Step 5: Solve for x
    x = 64,684,389,742,765,400/207,660,604.10
  6. Step 6: Final answer
    x = 311,490,906.15

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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.