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Finding the Fourth Proportional to 300,326.94, 414,442.98 and 185,559.66

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Solution

The fourth proportional to 300,326.94, 414,442.98 and 185,559.66 is: 256,067.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,326.94 : 414,442.98 = 185,559.66 : x
  2. Step 2: Convert to fraction form
    300,326.94/414,442.98 = 185,559.66/x
  3. Step 3: Cross multiply
    300,326.94x = 414,442.98 × 185,559.66
  4. Step 4: Simplify right side
    300,326.94x = 76,903,898,458.19
  5. Step 5: Solve for x
    x = 76,903,898,458.19/300,326.94
  6. Step 6: Final answer
    x = 256,067.27

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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.