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Finding the Fourth Proportional to 343,716.14, 515,451.17 and 119,016.23

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Solution

The fourth proportional to 343,716.14, 515,451.17 and 119,016.23 is: 178,481.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,716.14 : 515,451.17 = 119,016.23 : x
  2. Step 2: Convert to fraction form
    343,716.14/515,451.17 = 119,016.23/x
  3. Step 3: Cross multiply
    343,716.14x = 515,451.17 × 119,016.23
  4. Step 4: Simplify right side
    343,716.14x = 61,347,051,830.15
  5. Step 5: Solve for x
    x = 61,347,051,830.15/343,716.14
  6. Step 6: Final answer
    x = 178,481.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.