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Finding the Fourth Proportional to 566,799.21, 782,183.74 and 308,676.71

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Solution

The fourth proportional to 566,799.21, 782,183.74 and 308,676.71 is: 425,974.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,799.21 : 782,183.74 = 308,676.71 : x
  2. Step 2: Convert to fraction form
    566,799.21/782,183.74 = 308,676.71/x
  3. Step 3: Cross multiply
    566,799.21x = 782,183.74 × 308,676.71
  4. Step 4: Simplify right side
    566,799.21x = 241,441,902,294.93
  5. Step 5: Solve for x
    x = 241,441,902,294.93/566,799.21
  6. Step 6: Final answer
    x = 425,974.31

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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.