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Finding the Fourth Proportional to 628,049.88, 866,791.53 and 610,950.96

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Solution

The fourth proportional to 628,049.88, 866,791.53 and 610,950.96 is: 843,192.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,049.88 : 866,791.53 = 610,950.96 : x
  2. Step 2: Convert to fraction form
    628,049.88/866,791.53 = 610,950.96/x
  3. Step 3: Cross multiply
    628,049.88x = 866,791.53 × 610,950.96
  4. Step 4: Simplify right side
    628,049.88x = 529,567,117,373.37
  5. Step 5: Solve for x
    x = 529,567,117,373.37/628,049.88
  6. Step 6: Final answer
    x = 843,192.77

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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.