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Finding the Fourth Proportional to 269,866.94, 372,409.27 and 149,005.62

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Solution

The fourth proportional to 269,866.94, 372,409.27 and 149,005.62 is: 205,623.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,866.94 : 372,409.27 = 149,005.62 : x
  2. Step 2: Convert to fraction form
    269,866.94/372,409.27 = 149,005.62/x
  3. Step 3: Cross multiply
    269,866.94x = 372,409.27 × 149,005.62
  4. Step 4: Simplify right side
    269,866.94x = 55,491,074,170.10
  5. Step 5: Solve for x
    x = 55,491,074,170.10/269,866.94
  6. Step 6: Final answer
    x = 205,623.83

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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.