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Finding the Fourth Proportional to 479,857.59, 662,185.40 and 262,059.03

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Solution

The fourth proportional to 479,857.59, 662,185.40 and 262,059.03 is: 361,631.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,857.59 : 662,185.40 = 262,059.03 : x
  2. Step 2: Convert to fraction form
    479,857.59/662,185.40 = 262,059.03/x
  3. Step 3: Cross multiply
    479,857.59x = 662,185.40 × 262,059.03
  4. Step 4: Simplify right side
    479,857.59x = 173,531,662,293.87
  5. Step 5: Solve for x
    x = 173,531,662,293.87/479,857.59
  6. Step 6: Final answer
    x = 361,631.59

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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.