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Finding the Fourth Proportional to 1,774,761.02, 2,664,505.82 and 1,200,313.58

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Solution

The fourth proportional to 1,774,761.02, 2,664,505.82 and 1,200,313.58 is: 1,802,069.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,774,761.02 : 2,664,505.82 = 1,200,313.58 : x
  2. Step 2: Convert to fraction form
    1,774,761.02/2,664,505.82 = 1,200,313.58/x
  3. Step 3: Cross multiply
    1,774,761.02x = 2,664,505.82 × 1,200,313.58
  4. Step 4: Simplify right side
    1,774,761.02x = 3,198,242,500,410.94
  5. Step 5: Solve for x
    x = 3,198,242,500,410.94/1,774,761.02
  6. Step 6: Final answer
    x = 1,802,069.39

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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.