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Finding the Fourth Proportional to 611,093.16, 843,317.73 and 335,473.65

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Solution

The fourth proportional to 611,093.16, 843,317.73 and 335,473.65 is: 462,958.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,093.16 : 843,317.73 = 335,473.65 : x
  2. Step 2: Convert to fraction form
    611,093.16/843,317.73 = 335,473.65/x
  3. Step 3: Cross multiply
    611,093.16x = 843,317.73 × 335,473.65
  4. Step 4: Simplify right side
    611,093.16x = 282,910,876,992.82
  5. Step 5: Solve for x
    x = 282,910,876,992.82/611,093.16
  6. Step 6: Final answer
    x = 462,958.67

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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.