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Finding the Fourth Proportional to 544,078.40, 816,117.60 and 483,425.60

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Solution

The fourth proportional to 544,078.40, 816,117.60 and 483,425.60 is: 725,138.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,078.40 : 816,117.60 = 483,425.60 : x
  2. Step 2: Convert to fraction form
    544,078.40/816,117.60 = 483,425.60/x
  3. Step 3: Cross multiply
    544,078.40x = 816,117.60 × 483,425.60
  4. Step 4: Simplify right side
    544,078.40x = 394,532,140,450.56
  5. Step 5: Solve for x
    x = 394,532,140,450.56/544,078.40
  6. Step 6: Final answer
    x = 725,138.40

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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.