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Finding the Fourth Proportional to 444,368.94, 666,653.46 and 140,781.41

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Solution

The fourth proportional to 444,368.94, 666,653.46 and 140,781.41 is: 211,203.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,368.94 : 666,653.46 = 140,781.41 : x
  2. Step 2: Convert to fraction form
    444,368.94/666,653.46 = 140,781.41/x
  3. Step 3: Cross multiply
    444,368.94x = 666,653.46 × 140,781.41
  4. Step 4: Simplify right side
    444,368.94x = 93,852,410,043.00
  5. Step 5: Solve for x
    x = 93,852,410,043.00/444,368.94
  6. Step 6: Final answer
    x = 211,203.80

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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.