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Finding the Fourth Proportional to 681,950.49, 941,073.54 and 376,021.69

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Solution

The fourth proportional to 681,950.49, 941,073.54 and 376,021.69 is: 518,899.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,950.49 : 941,073.54 = 376,021.69 : x
  2. Step 2: Convert to fraction form
    681,950.49/941,073.54 = 376,021.69/x
  3. Step 3: Cross multiply
    681,950.49x = 941,073.54 × 376,021.69
  4. Step 4: Simplify right side
    681,950.49x = 353,864,066,570.98
  5. Step 5: Solve for x
    x = 353,864,066,570.98/681,950.49
  6. Step 6: Final answer
    x = 518,899.94

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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.