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Finding the Fourth Proportional to 2,693,985, 4,041,643.32 and 800,718.54

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Solution

The fourth proportional to 2,693,985, 4,041,643.32 and 800,718.54 is: 1,201,275.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,693,985 : 4,041,643.32 = 800,718.54 : x
  2. Step 2: Convert to fraction form
    2,693,985/4,041,643.32 = 800,718.54/x
  3. Step 3: Cross multiply
    2,693,985x = 4,041,643.32 × 800,718.54
  4. Step 4: Simplify right side
    2,693,985x = 3,236,218,738,391.15
  5. Step 5: Solve for x
    x = 3,236,218,738,391.15/2,693,985
  6. Step 6: Final answer
    x = 1,201,275.71

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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.