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Finding the Fourth Proportional to 265,226.40, 397,839.60 and 181,245.60

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Solution

The fourth proportional to 265,226.40, 397,839.60 and 181,245.60 is: 271,868.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,226.40 : 397,839.60 = 181,245.60 : x
  2. Step 2: Convert to fraction form
    265,226.40/397,839.60 = 181,245.60/x
  3. Step 3: Cross multiply
    265,226.40x = 397,839.60 × 181,245.60
  4. Step 4: Simplify right side
    265,226.40x = 72,106,677,005.76
  5. Step 5: Solve for x
    x = 72,106,677,005.76/265,226.40
  6. Step 6: Final answer
    x = 271,868.40

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Similar ratio
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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.