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Finding the Fourth Proportional to 726,606,975.20, 1,089,910,462.80 and 726,606,975.20

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Solution

The fourth proportional to 726,606,975.20, 1,089,910,462.80 and 726,606,975.20 is: 1,089,910,462.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,606,975.20 : 1,089,910,462.80 = 726,606,975.20 : x
  2. Step 2: Convert to fraction form
    726,606,975.20/1,089,910,462.80 = 726,606,975.20/x
  3. Step 3: Cross multiply
    726,606,975.20x = 1,089,910,462.80 × 726,606,975.20
  4. Step 4: Simplify right side
    726,606,975.20x = 791,936,544,613,940,096
  5. Step 5: Solve for x
    x = 791,936,544,613,940,096/726,606,975.20
  6. Step 6: Final answer
    x = 1,089,910,462.80

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1.5x scale

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.