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Finding the Fourth Proportional to 299,400.30, 449,100.45 and 122,034.60

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Solution

The fourth proportional to 299,400.30, 449,100.45 and 122,034.60 is: 183,051.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,400.30 : 449,100.45 = 122,034.60 : x
  2. Step 2: Convert to fraction form
    299,400.30/449,100.45 = 122,034.60/x
  3. Step 3: Cross multiply
    299,400.30x = 449,100.45 × 122,034.60
  4. Step 4: Simplify right side
    299,400.30x = 54,805,793,775.57
  5. Step 5: Solve for x
    x = 54,805,793,775.57/299,400.30
  6. Step 6: Final answer
    x = 183,051.90

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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.