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Finding the Fourth Proportional to 662,571.84, 914,555.52 and 376,282.56

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Solution

The fourth proportional to 662,571.84, 914,555.52 and 376,282.56 is: 519,387.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,571.84 : 914,555.52 = 376,282.56 : x
  2. Step 2: Convert to fraction form
    662,571.84/914,555.52 = 376,282.56/x
  3. Step 3: Cross multiply
    662,571.84x = 914,555.52 × 376,282.56
  4. Step 4: Simplify right side
    662,571.84x = 344,131,292,327.73
  5. Step 5: Solve for x
    x = 344,131,292,327.73/662,571.84
  6. Step 6: Final answer
    x = 519,387.14

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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.