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Finding the Fourth Proportional to 481,600.40, 722,400.60 and 245,404.40

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Solution

The fourth proportional to 481,600.40, 722,400.60 and 245,404.40 is: 368,106.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,600.40 : 722,400.60 = 245,404.40 : x
  2. Step 2: Convert to fraction form
    481,600.40/722,400.60 = 245,404.40/x
  3. Step 3: Cross multiply
    481,600.40x = 722,400.60 × 245,404.40
  4. Step 4: Simplify right side
    481,600.40x = 177,280,285,802.64
  5. Step 5: Solve for x
    x = 177,280,285,802.64/481,600.40
  6. Step 6: Final answer
    x = 368,106.60

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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.