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Finding the Fourth Proportional to 447,597.54, 617,692.46 and 243,654.30

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Solution

The fourth proportional to 447,597.54, 617,692.46 and 243,654.30 is: 336,247.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,597.54 : 617,692.46 = 243,654.30 : x
  2. Step 2: Convert to fraction form
    447,597.54/617,692.46 = 243,654.30/x
  3. Step 3: Cross multiply
    447,597.54x = 617,692.46 × 243,654.30
  4. Step 4: Simplify right side
    447,597.54x = 150,503,422,738.31
  5. Step 5: Solve for x
    x = 150,503,422,738.31/447,597.54
  6. Step 6: Final answer
    x = 336,247.21

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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.