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Finding the Fourth Proportional to 673,993.82, 1,010,709.62 and 274,363.32

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Solution

The fourth proportional to 673,993.82, 1,010,709.62 and 274,363.32 is: 411,430.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,993.82 : 1,010,709.62 = 274,363.32 : x
  2. Step 2: Convert to fraction form
    673,993.82/1,010,709.62 = 274,363.32/x
  3. Step 3: Cross multiply
    673,993.82x = 1,010,709.62 × 274,363.32
  4. Step 4: Simplify right side
    673,993.82x = 277,301,646,899.14
  5. Step 5: Solve for x
    x = 277,301,646,899.14/673,993.82
  6. Step 6: Final answer
    x = 411,430.55

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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.