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Finding the Fourth Proportional to 496,992.60, 685,857.60 and 270,637.92

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Solution

The fourth proportional to 496,992.60, 685,857.60 and 270,637.92 is: 373,484.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,992.60 : 685,857.60 = 270,637.92 : x
  2. Step 2: Convert to fraction form
    496,992.60/685,857.60 = 270,637.92/x
  3. Step 3: Cross multiply
    496,992.60x = 685,857.60 × 270,637.92
  4. Step 4: Simplify right side
    496,992.60x = 185,619,074,280.19
  5. Step 5: Solve for x
    x = 185,619,074,280.19/496,992.60
  6. Step 6: Final answer
    x = 373,484.58

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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.