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Finding the Fourth Proportional to 479,914.20, 662,268.92 and 265,049.64

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Solution

The fourth proportional to 479,914.20, 662,268.92 and 265,049.64 is: 365,761.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,914.20 : 662,268.92 = 265,049.64 : x
  2. Step 2: Convert to fraction form
    479,914.20/662,268.92 = 265,049.64/x
  3. Step 3: Cross multiply
    479,914.20x = 662,268.92 × 265,049.64
  4. Step 4: Simplify right side
    479,914.20x = 175,534,138,829.19
  5. Step 5: Solve for x
    x = 175,534,138,829.19/479,914.20
  6. Step 6: Final answer
    x = 365,761.50

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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.