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Finding the Fourth Proportional to 1,736,364.60, 2,603,769.30 and 789,247.80

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Solution

The fourth proportional to 1,736,364.60, 2,603,769.30 and 789,247.80 is: 1,183,518.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,736,364.60 : 2,603,769.30 = 789,247.80 : x
  2. Step 2: Convert to fraction form
    1,736,364.60/2,603,769.30 = 789,247.80/x
  3. Step 3: Cross multiply
    1,736,364.60x = 2,603,769.30 × 789,247.80
  4. Step 4: Simplify right side
    1,736,364.60x = 2,055,019,191,732.54
  5. Step 5: Solve for x
    x = 2,055,019,191,732.54/1,736,364.60
  6. Step 6: Final answer
    x = 1,183,518.25

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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.