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Finding the Fourth Proportional to 299,832.84, 449,749.26 and 122,423.40

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Solution

The fourth proportional to 299,832.84, 449,749.26 and 122,423.40 is: 183,635.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,832.84 : 449,749.26 = 122,423.40 : x
  2. Step 2: Convert to fraction form
    299,832.84/449,749.26 = 122,423.40/x
  3. Step 3: Cross multiply
    299,832.84x = 449,749.26 × 122,423.40
  4. Step 4: Simplify right side
    299,832.84x = 55,059,833,556.68
  5. Step 5: Solve for x
    x = 55,059,833,556.68/299,832.84
  6. Step 6: Final answer
    x = 183,635.10

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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.