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Finding the Fourth Proportional to 505,033.08, 755,678.48 and 404,890.32

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Solution

The fourth proportional to 505,033.08, 755,678.48 and 404,890.32 is: 605,835.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,033.08 : 755,678.48 = 404,890.32 : x
  2. Step 2: Convert to fraction form
    505,033.08/755,678.48 = 404,890.32/x
  3. Step 3: Cross multiply
    505,033.08x = 755,678.48 × 404,890.32
  4. Step 4: Simplify right side
    505,033.08x = 305,966,901,584.31
  5. Step 5: Solve for x
    x = 305,966,901,584.31/505,033.08
  6. Step 6: Final answer
    x = 605,835.37

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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.