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Finding the Fourth Proportional to 444,857.20, 667,285.80 and 164,316.40

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Solution

The fourth proportional to 444,857.20, 667,285.80 and 164,316.40 is: 246,474.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,857.20 : 667,285.80 = 164,316.40 : x
  2. Step 2: Convert to fraction form
    444,857.20/667,285.80 = 164,316.40/x
  3. Step 3: Cross multiply
    444,857.20x = 667,285.80 × 164,316.40
  4. Step 4: Simplify right side
    444,857.20x = 109,646,000,427.12
  5. Step 5: Solve for x
    x = 109,646,000,427.12/444,857.20
  6. Step 6: Final answer
    x = 246,474.60

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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.