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Finding the Fourth Proportional to 342,766.08, 473,016.89 and 189,804.26

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Solution

The fourth proportional to 342,766.08, 473,016.89 and 189,804.26 is: 261,929.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,766.08 : 473,016.89 = 189,804.26 : x
  2. Step 2: Convert to fraction form
    342,766.08/473,016.89 = 189,804.26/x
  3. Step 3: Cross multiply
    342,766.08x = 473,016.89 × 189,804.26
  4. Step 4: Simplify right side
    342,766.08x = 89,780,622,431.00
  5. Step 5: Solve for x
    x = 89,780,622,431.00/342,766.08
  6. Step 6: Final answer
    x = 261,929.72

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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.