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Finding the Fourth Proportional to 350,146.54, 483,425.69 and 285,769.56

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Solution

The fourth proportional to 350,146.54, 483,425.69 and 285,769.56 is: 394,544.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,146.54 : 483,425.69 = 285,769.56 : x
  2. Step 2: Convert to fraction form
    350,146.54/483,425.69 = 285,769.56/x
  3. Step 3: Cross multiply
    350,146.54x = 483,425.69 × 285,769.56
  4. Step 4: Simplify right side
    350,146.54x = 138,148,346,724.00
  5. Step 5: Solve for x
    x = 138,148,346,724.00/350,146.54
  6. Step 6: Final answer
    x = 394,544.37

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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.