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Finding the Fourth Proportional to 477,194.26, 658,540.65 and 262,339.74

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Solution

The fourth proportional to 477,194.26, 658,540.65 and 262,339.74 is: 362,035.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,194.26 : 658,540.65 = 262,339.74 : x
  2. Step 2: Convert to fraction form
    477,194.26/658,540.65 = 262,339.74/x
  3. Step 3: Cross multiply
    477,194.26x = 658,540.65 × 262,339.74
  4. Step 4: Simplify right side
    477,194.26x = 172,761,382,900.43
  5. Step 5: Solve for x
    x = 172,761,382,900.43/477,194.26
  6. Step 6: Final answer
    x = 362,035.75

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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.