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Finding the Fourth Proportional to 1,337,760.60, 1,845,584.08 and 764,493.22

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Solution

The fourth proportional to 1,337,760.60, 1,845,584.08 and 764,493.22 is: 1,054,700.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337,760.60 : 1,845,584.08 = 764,493.22 : x
  2. Step 2: Convert to fraction form
    1,337,760.60/1,845,584.08 = 764,493.22/x
  3. Step 3: Cross multiply
    1,337,760.60x = 1,845,584.08 × 764,493.22
  4. Step 4: Simplify right side
    1,337,760.60x = 1,410,936,516,099.94
  5. Step 5: Solve for x
    x = 1,410,936,516,099.94/1,337,760.60
  6. Step 6: Final answer
    x = 1,054,700.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.