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Finding the Fourth Proportional to 299,501.40, 449,252.10 and 254,400.60

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Solution

The fourth proportional to 299,501.40, 449,252.10 and 254,400.60 is: 381,600.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,501.40 : 449,252.10 = 254,400.60 : x
  2. Step 2: Convert to fraction form
    299,501.40/449,252.10 = 254,400.60/x
  3. Step 3: Cross multiply
    299,501.40x = 449,252.10 × 254,400.60
  4. Step 4: Simplify right side
    299,501.40x = 114,290,003,791.26
  5. Step 5: Solve for x
    x = 114,290,003,791.26/299,501.40
  6. Step 6: Final answer
    x = 381,600.90

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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.