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Finding the Fourth Proportional to 479,169.92, 661,291.62 and 264,328.76

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Solution

The fourth proportional to 479,169.92, 661,291.62 and 264,328.76 is: 364,794.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,169.92 : 661,291.62 = 264,328.76 : x
  2. Step 2: Convert to fraction form
    479,169.92/661,291.62 = 264,328.76/x
  3. Step 3: Cross multiply
    479,169.92x = 661,291.62 × 264,328.76
  4. Step 4: Simplify right side
    479,169.92x = 174,798,393,912.99
  5. Step 5: Solve for x
    x = 174,798,393,912.99/479,169.92
  6. Step 6: Final answer
    x = 364,794.17

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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.