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Finding the Fourth Proportional to 444,003.40, 666,005.10 and 325,905.40

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Solution

The fourth proportional to 444,003.40, 666,005.10 and 325,905.40 is: 488,858.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,003.40 : 666,005.10 = 325,905.40 : x
  2. Step 2: Convert to fraction form
    444,003.40/666,005.10 = 325,905.40/x
  3. Step 3: Cross multiply
    444,003.40x = 666,005.10 × 325,905.40
  4. Step 4: Simplify right side
    444,003.40x = 217,054,658,517.54
  5. Step 5: Solve for x
    x = 217,054,658,517.54/444,003.40
  6. Step 6: Final answer
    x = 488,858.10

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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.