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Finding the Fourth Proportional to 496,544, 685,224.96 and 270,185.60

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Solution

The fourth proportional to 496,544, 685,224.96 and 270,185.60 is: 372,852.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,544 : 685,224.96 = 270,185.60 : x
  2. Step 2: Convert to fraction form
    496,544/685,224.96 = 270,185.60/x
  3. Step 3: Cross multiply
    496,544x = 685,224.96 × 270,185.60
  4. Step 4: Simplify right side
    496,544x = 185,137,916,952.58
  5. Step 5: Solve for x
    x = 185,137,916,952.58/496,544
  6. Step 6: Final answer
    x = 372,852.99

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