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Finding the Fourth Proportional to 481,980.39, 665,100.36 and 264,186.51

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Solution

The fourth proportional to 481,980.39, 665,100.36 and 264,186.51 is: 364,559.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,980.39 : 665,100.36 = 264,186.51 : x
  2. Step 2: Convert to fraction form
    481,980.39/665,100.36 = 264,186.51/x
  3. Step 3: Cross multiply
    481,980.39x = 665,100.36 × 264,186.51
  4. Step 4: Simplify right side
    481,980.39x = 175,710,542,908.14
  5. Step 5: Solve for x
    x = 175,710,542,908.14/481,980.39
  6. Step 6: Final answer
    x = 364,559.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.