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Finding the Fourth Proportional to 230,858.07, 317,873.53 and 196,790.19

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Solution

The fourth proportional to 230,858.07, 317,873.53 and 196,790.19 is: 270,964.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,858.07 : 317,873.53 = 196,790.19 : x
  2. Step 2: Convert to fraction form
    230,858.07/317,873.53 = 196,790.19/x
  3. Step 3: Cross multiply
    230,858.07x = 317,873.53 × 196,790.19
  4. Step 4: Simplify right side
    230,858.07x = 62,554,392,364.67
  5. Step 5: Solve for x
    x = 62,554,392,364.67/230,858.07
  6. Step 6: Final answer
    x = 270,964.72

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Double scale
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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.