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Finding the Fourth Proportional to 444,374.10, 664,617.15 and 397,329.30

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Solution

The fourth proportional to 444,374.10, 664,617.15 and 397,329.30 is: 594,255.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,374.10 : 664,617.15 = 397,329.30 : x
  2. Step 2: Convert to fraction form
    444,374.10/664,617.15 = 397,329.30/x
  3. Step 3: Cross multiply
    444,374.10x = 664,617.15 × 397,329.30
  4. Step 4: Simplify right side
    444,374.10x = 264,071,866,977.50
  5. Step 5: Solve for x
    x = 264,071,866,977.50/444,374.10
  6. Step 6: Final answer
    x = 594,255.76

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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.