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Finding the Fourth Proportional to 444,196.26, 612,989.01 and 240,247.40

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Solution

The fourth proportional to 444,196.26, 612,989.01 and 240,247.40 is: 331,540.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,196.26 : 612,989.01 = 240,247.40 : x
  2. Step 2: Convert to fraction form
    444,196.26/612,989.01 = 240,247.40/x
  3. Step 3: Cross multiply
    444,196.26x = 612,989.01 × 240,247.40
  4. Step 4: Simplify right side
    444,196.26x = 147,269,012,816.13
  5. Step 5: Solve for x
    x = 147,269,012,816.13/444,196.26
  6. Step 6: Final answer
    x = 331,540.42

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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.