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Finding the Fourth Proportional to 1,805,684.43, 2,707,739.25 and 682,966.11

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Solution

The fourth proportional to 1,805,684.43, 2,707,739.25 and 682,966.11 is: 1,024,151.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,805,684.43 : 2,707,739.25 = 682,966.11 : x
  2. Step 2: Convert to fraction form
    1,805,684.43/2,707,739.25 = 682,966.11/x
  3. Step 3: Cross multiply
    1,805,684.43x = 2,707,739.25 × 682,966.11
  4. Step 4: Simplify right side
    1,805,684.43x = 1,849,294,142,466.82
  5. Step 5: Solve for x
    x = 1,849,294,142,466.82/1,805,684.43
  6. Step 6: Final answer
    x = 1,024,151.35

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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.