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Finding the Fourth Proportional to 299,534.40, 449,301.60 and 193,246.20

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Solution

The fourth proportional to 299,534.40, 449,301.60 and 193,246.20 is: 289,869.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,534.40 : 449,301.60 = 193,246.20 : x
  2. Step 2: Convert to fraction form
    299,534.40/449,301.60 = 193,246.20/x
  3. Step 3: Cross multiply
    299,534.40x = 449,301.60 × 193,246.20
  4. Step 4: Simplify right side
    299,534.40x = 86,825,826,853.92
  5. Step 5: Solve for x
    x = 86,825,826,853.92/299,534.40
  6. Step 6: Final answer
    x = 289,869.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.