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Finding the Fourth Proportional to 488,676.42, 733,820.78 and 329,773.25

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Solution

The fourth proportional to 488,676.42, 733,820.78 and 329,773.25 is: 495,203.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,676.42 : 733,820.78 = 329,773.25 : x
  2. Step 2: Convert to fraction form
    488,676.42/733,820.78 = 329,773.25/x
  3. Step 3: Cross multiply
    488,676.42x = 733,820.78 × 329,773.25
  4. Step 4: Simplify right side
    488,676.42x = 241,994,466,197.12
  5. Step 5: Solve for x
    x = 241,994,466,197.12/488,676.42
  6. Step 6: Final answer
    x = 495,203.89

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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.