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Finding the Fourth Proportional to 444,171.69, 666,347.31 and 144,571.86

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Solution

The fourth proportional to 444,171.69, 666,347.31 and 144,571.86 is: 216,887.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,171.69 : 666,347.31 = 144,571.86 : x
  2. Step 2: Convert to fraction form
    444,171.69/666,347.31 = 144,571.86/x
  3. Step 3: Cross multiply
    444,171.69x = 666,347.31 × 144,571.86
  4. Step 4: Simplify right side
    444,171.69x = 96,335,070,012.70
  5. Step 5: Solve for x
    x = 96,335,070,012.70/444,171.69
  6. Step 6: Final answer
    x = 216,887.01

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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.