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Finding the Fourth Proportional to 488,644.40, 732,383.40 and 204,334.40

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Solution

The fourth proportional to 488,644.40, 732,383.40 and 204,334.40 is: 306,257.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,644.40 : 732,383.40 = 204,334.40 : x
  2. Step 2: Convert to fraction form
    488,644.40/732,383.40 = 204,334.40/x
  3. Step 3: Cross multiply
    488,644.40x = 732,383.40 × 204,334.40
  4. Step 4: Simplify right side
    488,644.40x = 149,651,122,608.96
  5. Step 5: Solve for x
    x = 149,651,122,608.96/488,644.40
  6. Step 6: Final answer
    x = 306,257.73

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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.