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Finding the Fourth Proportional to 286,059.94, 395,237.37 and 226,090.42

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Solution

The fourth proportional to 286,059.94, 395,237.37 and 226,090.42 is: 312,379.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,059.94 : 395,237.37 = 226,090.42 : x
  2. Step 2: Convert to fraction form
    286,059.94/395,237.37 = 226,090.42/x
  3. Step 3: Cross multiply
    286,059.94x = 395,237.37 × 226,090.42
  4. Step 4: Simplify right side
    286,059.94x = 89,359,382,983.00
  5. Step 5: Solve for x
    x = 89,359,382,983.00/286,059.94
  6. Step 6: Final answer
    x = 312,379.93

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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.