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Finding the Fourth Proportional to 479,739.77, 662,051.21 and 264,893.43

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Solution

The fourth proportional to 479,739.77, 662,051.21 and 264,893.43 is: 365,558.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,739.77 : 662,051.21 = 264,893.43 : x
  2. Step 2: Convert to fraction form
    479,739.77/662,051.21 = 264,893.43/x
  3. Step 3: Cross multiply
    479,739.77x = 662,051.21 × 264,893.43
  4. Step 4: Simplify right side
    479,739.77x = 175,373,015,852.55
  5. Step 5: Solve for x
    x = 175,373,015,852.55/479,739.77
  6. Step 6: Final answer
    x = 365,558.64

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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.