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Finding the Fourth Proportional to 1,608,867.60, 2,414,662.20 and 662,917.20

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Solution

The fourth proportional to 1,608,867.60, 2,414,662.20 and 662,917.20 is: 994,936.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,608,867.60 : 2,414,662.20 = 662,917.20 : x
  2. Step 2: Convert to fraction form
    1,608,867.60/2,414,662.20 = 662,917.20/x
  3. Step 3: Cross multiply
    1,608,867.60x = 2,414,662.20 × 662,917.20
  4. Step 4: Simplify right side
    1,608,867.60x = 1,600,721,104,569.84
  5. Step 5: Solve for x
    x = 1,600,721,104,569.84/1,608,867.60
  6. Step 6: Final answer
    x = 994,936.50

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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.