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Finding the Fourth Proportional to 444,003.80, 666,005.70 and 325,905.80

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Solution

The fourth proportional to 444,003.80, 666,005.70 and 325,905.80 is: 488,858.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,003.80 : 666,005.70 = 325,905.80 : x
  2. Step 2: Convert to fraction form
    444,003.80/666,005.70 = 325,905.80/x
  3. Step 3: Cross multiply
    444,003.80x = 666,005.70 × 325,905.80
  4. Step 4: Simplify right side
    444,003.80x = 217,055,120,463.06
  5. Step 5: Solve for x
    x = 217,055,120,463.06/444,003.80
  6. Step 6: Final answer
    x = 488,858.70

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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.