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Finding the Fourth Proportional to 444,736.64, 666,546.06 and 317,715.68

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Solution

The fourth proportional to 444,736.64, 666,546.06 and 317,715.68 is: 476,174.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,736.64 : 666,546.06 = 317,715.68 : x
  2. Step 2: Convert to fraction form
    444,736.64/666,546.06 = 317,715.68/x
  3. Step 3: Cross multiply
    444,736.64x = 666,546.06 × 317,715.68
  4. Step 4: Simplify right side
    444,736.64x = 211,772,134,704.22
  5. Step 5: Solve for x
    x = 211,772,134,704.22/444,736.64
  6. Step 6: Final answer
    x = 476,174.25

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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.