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Finding the Fourth Proportional to 374,553.71, 516,757.51 and 213,294.41

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Solution

The fourth proportional to 374,553.71, 516,757.51 and 213,294.41 is: 294,274.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,553.71 : 516,757.51 = 213,294.41 : x
  2. Step 2: Convert to fraction form
    374,553.71/516,757.51 = 213,294.41/x
  3. Step 3: Cross multiply
    374,553.71x = 516,757.51 × 213,294.41
  4. Step 4: Simplify right side
    374,553.71x = 110,221,488,208.52
  5. Step 5: Solve for x
    x = 110,221,488,208.52/374,553.71
  6. Step 6: Final answer
    x = 294,274.19

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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.