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Finding the Fourth Proportional to 444,016.13, 666,133.60 and 128,504.93

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Solution

The fourth proportional to 444,016.13, 666,133.60 and 128,504.93 is: 192,789.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,016.13 : 666,133.60 = 128,504.93 : x
  2. Step 2: Convert to fraction form
    444,016.13/666,133.60 = 128,504.93/x
  3. Step 3: Cross multiply
    444,016.13x = 666,133.60 × 128,504.93
  4. Step 4: Simplify right side
    444,016.13x = 85,601,451,638.65
  5. Step 5: Solve for x
    x = 85,601,451,638.65/444,016.13
  6. Step 6: Final answer
    x = 192,789.06

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1.5x scale

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.