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Finding the Fourth Proportional to 507,226.56, 699,973.56 and 274,656.12

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Solution

The fourth proportional to 507,226.56, 699,973.56 and 274,656.12 is: 379,025.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,226.56 : 699,973.56 = 274,656.12 : x
  2. Step 2: Convert to fraction form
    507,226.56/699,973.56 = 274,656.12/x
  3. Step 3: Cross multiply
    507,226.56x = 699,973.56 × 274,656.12
  4. Step 4: Simplify right side
    507,226.56x = 192,252,022,092.19
  5. Step 5: Solve for x
    x = 192,252,022,092.19/507,226.56
  6. Step 6: Final answer
    x = 379,025.94

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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.