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Finding the Fourth Proportional to 218,066.40, 327,099.60 and 181,202.40

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Solution

The fourth proportional to 218,066.40, 327,099.60 and 181,202.40 is: 271,803.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,066.40 : 327,099.60 = 181,202.40 : x
  2. Step 2: Convert to fraction form
    218,066.40/327,099.60 = 181,202.40/x
  3. Step 3: Cross multiply
    218,066.40x = 327,099.60 × 181,202.40
  4. Step 4: Simplify right side
    218,066.40x = 59,271,232,559.04
  5. Step 5: Solve for x
    x = 59,271,232,559.04/218,066.40
  6. Step 6: Final answer
    x = 271,803.60

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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.