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Finding the Fourth Proportional to 301,753.71, 416,246.90 and 188,379.63

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Solution

The fourth proportional to 301,753.71, 416,246.90 and 188,379.63 is: 259,855.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,753.71 : 416,246.90 = 188,379.63 : x
  2. Step 2: Convert to fraction form
    301,753.71/416,246.90 = 188,379.63/x
  3. Step 3: Cross multiply
    301,753.71x = 416,246.90 × 188,379.63
  4. Step 4: Simplify right side
    301,753.71x = 78,412,437,010.65
  5. Step 5: Solve for x
    x = 78,412,437,010.65/301,753.71
  6. Step 6: Final answer
    x = 259,855.75

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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.