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Finding the Fourth Proportional to 479,520.25, 661,747.93 and 264,659.81

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Solution

The fourth proportional to 479,520.25, 661,747.93 and 264,659.81 is: 365,236.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,520.25 : 661,747.93 = 264,659.81 : x
  2. Step 2: Convert to fraction form
    479,520.25/661,747.93 = 264,659.81/x
  3. Step 3: Cross multiply
    479,520.25x = 661,747.93 × 264,659.81
  4. Step 4: Simplify right side
    479,520.25x = 175,138,077,451.30
  5. Step 5: Solve for x
    x = 175,138,077,451.30/479,520.25
  6. Step 6: Final answer
    x = 365,236.04

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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.