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Finding the Fourth Proportional to 444,090.40, 666,135.60 and 163,571.20

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Solution

The fourth proportional to 444,090.40, 666,135.60 and 163,571.20 is: 245,356.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,090.40 : 666,135.60 = 163,571.20 : x
  2. Step 2: Convert to fraction form
    444,090.40/666,135.60 = 163,571.20/x
  3. Step 3: Cross multiply
    444,090.40x = 666,135.60 × 163,571.20
  4. Step 4: Simplify right side
    444,090.40x = 108,960,599,454.72
  5. Step 5: Solve for x
    x = 108,960,599,454.72/444,090.40
  6. Step 6: Final answer
    x = 245,356.80

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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.