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Finding the Fourth Proportional to 453,645,608.60, 680,468,412.90 and 453,645,608.60

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Solution

The fourth proportional to 453,645,608.60, 680,468,412.90 and 453,645,608.60 is: 680,468,412.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,645,608.60 : 680,468,412.90 = 453,645,608.60 : x
  2. Step 2: Convert to fraction form
    453,645,608.60/680,468,412.90 = 453,645,608.60/x
  3. Step 3: Cross multiply
    453,645,608.60x = 680,468,412.90 × 453,645,608.60
  4. Step 4: Simplify right side
    453,645,608.60x = 308,691,507,303,096,576
  5. Step 5: Solve for x
    x = 308,691,507,303,096,576/453,645,608.60
  6. Step 6: Final answer
    x = 680,468,412.90

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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.