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Finding the Fourth Proportional to 1,224,302.40, 1,836,453.60 and 886,629.60

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Solution

The fourth proportional to 1,224,302.40, 1,836,453.60 and 886,629.60 is: 1,329,944.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,302.40 : 1,836,453.60 = 886,629.60 : x
  2. Step 2: Convert to fraction form
    1,224,302.40/1,836,453.60 = 886,629.60/x
  3. Step 3: Cross multiply
    1,224,302.40x = 1,836,453.60 × 886,629.60
  4. Step 4: Simplify right side
    1,224,302.40x = 1,628,254,120,786.56
  5. Step 5: Solve for x
    x = 1,628,254,120,786.56/1,224,302.40
  6. Step 6: Final answer
    x = 1,329,944.40

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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.