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Finding the Fourth Proportional to 548,679.52, 757,172.16 and 303,664.75

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Solution

The fourth proportional to 548,679.52, 757,172.16 and 303,664.75 is: 419,054.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,679.52 : 757,172.16 = 303,664.75 : x
  2. Step 2: Convert to fraction form
    548,679.52/757,172.16 = 303,664.75/x
  3. Step 3: Cross multiply
    548,679.52x = 757,172.16 × 303,664.75
  4. Step 4: Simplify right side
    548,679.52x = 229,926,494,673.36
  5. Step 5: Solve for x
    x = 229,926,494,673.36/548,679.52
  6. Step 6: Final answer
    x = 419,054.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.