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Finding the Fourth Proportional to 571,956.95, 789,274.17 and 313,827.47

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Solution

The fourth proportional to 571,956.95, 789,274.17 and 313,827.47 is: 433,067.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,956.95 : 789,274.17 = 313,827.47 : x
  2. Step 2: Convert to fraction form
    571,956.95/789,274.17 = 313,827.47/x
  3. Step 3: Cross multiply
    571,956.95x = 789,274.17 × 313,827.47
  4. Step 4: Simplify right side
    571,956.95x = 247,695,914,338.31
  5. Step 5: Solve for x
    x = 247,695,914,338.31/571,956.95
  6. Step 6: Final answer
    x = 433,067.41

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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.