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Finding the Fourth Proportional to 671,283.29, 926,378.48 and 365,361.61

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Solution

The fourth proportional to 671,283.29, 926,378.48 and 365,361.61 is: 504,203.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,283.29 : 926,378.48 = 365,361.61 : x
  2. Step 2: Convert to fraction form
    671,283.29/926,378.48 = 365,361.61/x
  3. Step 3: Cross multiply
    671,283.29x = 926,378.48 × 365,361.61
  4. Step 4: Simplify right side
    671,283.29x = 338,463,131,519.61
  5. Step 5: Solve for x
    x = 338,463,131,519.61/671,283.29
  6. Step 6: Final answer
    x = 504,203.13

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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.