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Finding the Fourth Proportional to 447,533.88, 617,599.32 and 243,584.30

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Solution

The fourth proportional to 447,533.88, 617,599.32 and 243,584.30 is: 336,147.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,533.88 : 617,599.32 = 243,584.30 : x
  2. Step 2: Convert to fraction form
    447,533.88/617,599.32 = 243,584.30/x
  3. Step 3: Cross multiply
    447,533.88x = 617,599.32 × 243,584.30
  4. Step 4: Simplify right side
    447,533.88x = 150,437,498,673.23
  5. Step 5: Solve for x
    x = 150,437,498,673.23/447,533.88
  6. Step 6: Final answer
    x = 336,147.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.