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Finding the Fourth Proportional to 350,510.64, 483,704.91 and 189,365.60

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Solution

The fourth proportional to 350,510.64, 483,704.91 and 189,365.60 is: 261,324.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,510.64 : 483,704.91 = 189,365.60 : x
  2. Step 2: Convert to fraction form
    350,510.64/483,704.91 = 189,365.60/x
  3. Step 3: Cross multiply
    350,510.64x = 483,704.91 × 189,365.60
  4. Step 4: Simplify right side
    350,510.64x = 91,597,068,086.57
  5. Step 5: Solve for x
    x = 91,597,068,086.57/350,510.64
  6. Step 6: Final answer
    x = 261,324.64

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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.