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Finding the Fourth Proportional to 483,321.90, 666,995.97 and 265,544.68

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Solution

The fourth proportional to 483,321.90, 666,995.97 and 265,544.68 is: 366,458.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,321.90 : 666,995.97 = 265,544.68 : x
  2. Step 2: Convert to fraction form
    483,321.90/666,995.97 = 265,544.68/x
  3. Step 3: Cross multiply
    483,321.90x = 666,995.97 × 265,544.68
  4. Step 4: Simplify right side
    483,321.90x = 177,117,232,078.80
  5. Step 5: Solve for x
    x = 177,117,232,078.80/483,321.90
  6. Step 6: Final answer
    x = 366,458.11

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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.