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Finding the Fourth Proportional to 363,190.41, 501,218.91 and 302,659.65

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Solution

The fourth proportional to 363,190.41, 501,218.91 and 302,659.65 is: 417,683.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,190.41 : 501,218.91 = 302,659.65 : x
  2. Step 2: Convert to fraction form
    363,190.41/501,218.91 = 302,659.65/x
  3. Step 3: Cross multiply
    363,190.41x = 501,218.91 × 302,659.65
  4. Step 4: Simplify right side
    363,190.41x = 151,698,739,873.98
  5. Step 5: Solve for x
    x = 151,698,739,873.98/363,190.41
  6. Step 6: Final answer
    x = 417,683.77

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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.