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Finding the Fourth Proportional to 496,675.44, 685,415.16 and 270,323.28

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Solution

The fourth proportional to 496,675.44, 685,415.16 and 270,323.28 is: 373,047.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,675.44 : 685,415.16 = 270,323.28 : x
  2. Step 2: Convert to fraction form
    496,675.44/685,415.16 = 270,323.28/x
  3. Step 3: Cross multiply
    496,675.44x = 685,415.16 × 270,323.28
  4. Step 4: Simplify right side
    496,675.44x = 185,283,674,212.93
  5. Step 5: Solve for x
    x = 185,283,674,212.93/496,675.44
  6. Step 6: Final answer
    x = 373,047.79

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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.