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Finding the Fourth Proportional to 342,955.73, 473,273.79 and 189,993.62

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Solution

The fourth proportional to 342,955.73, 473,273.79 and 189,993.62 is: 262,188.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,955.73 : 473,273.79 = 189,993.62 : x
  2. Step 2: Convert to fraction form
    342,955.73/473,273.79 = 189,993.62/x
  3. Step 3: Cross multiply
    342,955.73x = 473,273.79 × 189,993.62
  4. Step 4: Simplify right side
    342,955.73x = 89,918,998,246.85
  5. Step 5: Solve for x
    x = 89,918,998,246.85/342,955.73
  6. Step 6: Final answer
    x = 262,188.36

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1.5x scale

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.