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Finding the Fourth Proportional to 1,843,665.60, 2,759,968.80 and 1,622,481.60

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Solution

The fourth proportional to 1,843,665.60, 2,759,968.80 and 1,622,481.60 is: 2,428,856.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,843,665.60 : 2,759,968.80 = 1,622,481.60 : x
  2. Step 2: Convert to fraction form
    1,843,665.60/2,759,968.80 = 1,622,481.60/x
  3. Step 3: Cross multiply
    1,843,665.60x = 2,759,968.80 × 1,622,481.60
  4. Step 4: Simplify right side
    1,843,665.60x = 4,477,998,594,574.08
  5. Step 5: Solve for x
    x = 4,477,998,594,574.08/1,843,665.60
  6. Step 6: Final answer
    x = 2,428,856.18

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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.