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Finding the Fourth Proportional to 491,627.18, 737,579.28 and 444,781.64

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Solution

The fourth proportional to 491,627.18, 737,579.28 and 444,781.64 is: 667,297.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,627.18 : 737,579.28 = 444,781.64 : x
  2. Step 2: Convert to fraction form
    491,627.18/737,579.28 = 444,781.64/x
  3. Step 3: Cross multiply
    491,627.18x = 737,579.28 × 444,781.64
  4. Step 4: Simplify right side
    491,627.18x = 328,061,721,788.42
  5. Step 5: Solve for x
    x = 328,061,721,788.42/491,627.18
  6. Step 6: Final answer
    x = 667,297.77

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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.