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Finding the Fourth Proportional to 444,128.36, 666,122.94 and 144,606.92

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Solution

The fourth proportional to 444,128.36, 666,122.94 and 144,606.92 is: 216,887.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,128.36 : 666,122.94 = 144,606.92 : x
  2. Step 2: Convert to fraction form
    444,128.36/666,122.94 = 144,606.92/x
  3. Step 3: Cross multiply
    444,128.36x = 666,122.94 × 144,606.92
  4. Step 4: Simplify right side
    444,128.36x = 96,325,983,364.13
  5. Step 5: Solve for x
    x = 96,325,983,364.13/444,128.36
  6. Step 6: Final answer
    x = 216,887.71

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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.