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Finding the Fourth Proportional to 496,670, 685,404.60 and 270,317.12

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Solution

The fourth proportional to 496,670, 685,404.60 and 270,317.12 is: 373,037.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,670 : 685,404.60 = 270,317.12 : x
  2. Step 2: Convert to fraction form
    496,670/685,404.60 = 270,317.12/x
  3. Step 3: Cross multiply
    496,670x = 685,404.60 × 270,317.12
  4. Step 4: Simplify right side
    496,670x = 185,276,597,506.75
  5. Step 5: Solve for x
    x = 185,276,597,506.75/496,670
  6. Step 6: Final answer
    x = 373,037.63

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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.