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Finding the Fourth Proportional to 3,835,268.64, 5,751,407.79 and 1,437,805.17

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Solution

The fourth proportional to 3,835,268.64, 5,751,407.79 and 1,437,805.17 is: 2,156,147.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,835,268.64 : 5,751,407.79 = 1,437,805.17 : x
  2. Step 2: Convert to fraction form
    3,835,268.64/5,751,407.79 = 1,437,805.17/x
  3. Step 3: Cross multiply
    3,835,268.64x = 5,751,407.79 × 1,437,805.17
  4. Step 4: Simplify right side
    3,835,268.64x = 8,269,403,855,240.27
  5. Step 5: Solve for x
    x = 8,269,403,855,240.27/3,835,268.64
  6. Step 6: Final answer
    x = 2,156,147.23

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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.