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Finding the Fourth Proportional to 353,105.73, 487,295.46 and 191,971.62

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Solution

The fourth proportional to 353,105.73, 487,295.46 and 191,971.62 is: 264,926.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,105.73 : 487,295.46 = 191,971.62 : x
  2. Step 2: Convert to fraction form
    353,105.73/487,295.46 = 191,971.62/x
  3. Step 3: Cross multiply
    353,105.73x = 487,295.46 × 191,971.62
  4. Step 4: Simplify right side
    353,105.73x = 93,546,898,874.85
  5. Step 5: Solve for x
    x = 93,546,898,874.85/353,105.73
  6. Step 6: Final answer
    x = 264,926.03

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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.