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Finding the Fourth Proportional to 444,993.60, 667,490.40 and 325,437.60

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Solution

The fourth proportional to 444,993.60, 667,490.40 and 325,437.60 is: 488,156.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,993.60 : 667,490.40 = 325,437.60 : x
  2. Step 2: Convert to fraction form
    444,993.60/667,490.40 = 325,437.60/x
  3. Step 3: Cross multiply
    444,993.60x = 667,490.40 × 325,437.60
  4. Step 4: Simplify right side
    444,993.60x = 217,226,473,799.04
  5. Step 5: Solve for x
    x = 217,226,473,799.04/444,993.60
  6. Step 6: Final answer
    x = 488,156.40

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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.