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Finding the Fourth Proportional to 299,436.40, 449,327.40 and 112,466.80

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Solution

The fourth proportional to 299,436.40, 449,327.40 and 112,466.80 is: 168,765.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,436.40 : 449,327.40 = 112,466.80 : x
  2. Step 2: Convert to fraction form
    299,436.40/449,327.40 = 112,466.80/x
  3. Step 3: Cross multiply
    299,436.40x = 449,327.40 × 112,466.80
  4. Step 4: Simplify right side
    299,436.40x = 50,534,414,830.32
  5. Step 5: Solve for x
    x = 50,534,414,830.32/299,436.40
  6. Step 6: Final answer
    x = 168,765.10

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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.