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Finding the Fourth Proportional to 1,746,643.20, 2,621,347.20 and 682,195.20

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Solution

The fourth proportional to 1,746,643.20, 2,621,347.20 and 682,195.20 is: 1,023,832.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,746,643.20 : 2,621,347.20 = 682,195.20 : x
  2. Step 2: Convert to fraction form
    1,746,643.20/2,621,347.20 = 682,195.20/x
  3. Step 3: Cross multiply
    1,746,643.20x = 2,621,347.20 × 682,195.20
  4. Step 4: Simplify right side
    1,746,643.20x = 1,788,270,477,373.44
  5. Step 5: Solve for x
    x = 1,788,270,477,373.44/1,746,643.20
  6. Step 6: Final answer
    x = 1,023,832.73

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.