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Finding the Fourth Proportional to 1,355,400, 2,033,100 and 468,936

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Solution

The fourth proportional to 1,355,400, 2,033,100 and 468,936 is: 703,404

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,400 : 2,033,100 = 468,936 : x
  2. Step 2: Convert to fraction form
    1,355,400/2,033,100 = 468,936/x
  3. Step 3: Cross multiply
    1,355,400x = 2,033,100 × 468,936
  4. Step 4: Simplify right side
    1,355,400x = 953,393,781,600
  5. Step 5: Solve for x
    x = 953,393,781,600/1,355,400
  6. Step 6: Final answer
    x = 703,404

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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.