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Finding the Fourth Proportional to 401,843.04, 554,619.84 and 265,879.68

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Solution

The fourth proportional to 401,843.04, 554,619.84 and 265,879.68 is: 366,964.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,843.04 : 554,619.84 = 265,879.68 : x
  2. Step 2: Convert to fraction form
    401,843.04/554,619.84 = 265,879.68/x
  3. Step 3: Cross multiply
    401,843.04x = 554,619.84 × 265,879.68
  4. Step 4: Simplify right side
    401,843.04x = 147,462,145,580.85
  5. Step 5: Solve for x
    x = 147,462,145,580.85/401,843.04
  6. Step 6: Final answer
    x = 366,964.54

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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.