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Finding the Fourth Proportional to 603,896.40, 905,844.60 and 248,727.60

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Solution

The fourth proportional to 603,896.40, 905,844.60 and 248,727.60 is: 373,091.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,896.40 : 905,844.60 = 248,727.60 : x
  2. Step 2: Convert to fraction form
    603,896.40/905,844.60 = 248,727.60/x
  3. Step 3: Cross multiply
    603,896.40x = 905,844.60 × 248,727.60
  4. Step 4: Simplify right side
    603,896.40x = 225,308,553,330.96
  5. Step 5: Solve for x
    x = 225,308,553,330.96/603,896.40
  6. Step 6: Final answer
    x = 373,091.40

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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.