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Finding the Fourth Proportional to 444,119.20, 666,178.80 and 433,621.60

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Solution

The fourth proportional to 444,119.20, 666,178.80 and 433,621.60 is: 650,432.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,119.20 : 666,178.80 = 433,621.60 : x
  2. Step 2: Convert to fraction form
    444,119.20/666,178.80 = 433,621.60/x
  3. Step 3: Cross multiply
    444,119.20x = 666,178.80 × 433,621.60
  4. Step 4: Simplify right side
    444,119.20x = 288,869,517,142.08
  5. Step 5: Solve for x
    x = 288,869,517,142.08/444,119.20
  6. Step 6: Final answer
    x = 650,432.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.