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Finding the Fourth Proportional to 300,591,010.80, 450,886,516.20 and 300,591,010.80

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Solution

The fourth proportional to 300,591,010.80, 450,886,516.20 and 300,591,010.80 is: 450,886,516.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,591,010.80 : 450,886,516.20 = 300,591,010.80 : x
  2. Step 2: Convert to fraction form
    300,591,010.80/450,886,516.20 = 300,591,010.80/x
  3. Step 3: Cross multiply
    300,591,010.80x = 450,886,516.20 × 300,591,010.80
  4. Step 4: Simplify right side
    300,591,010.80x = 135,532,433,660,648,576
  5. Step 5: Solve for x
    x = 135,532,433,660,648,576/300,591,010.80
  6. Step 6: Final answer
    x = 450,886,516.20

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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.