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Finding the Fourth Proportional to 374,414.27, 516,633.95 and 213,248.77

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Solution

The fourth proportional to 374,414.27, 516,633.95 and 213,248.77 is: 294,250.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,414.27 : 516,633.95 = 213,248.77 : x
  2. Step 2: Convert to fraction form
    374,414.27/516,633.95 = 213,248.77/x
  3. Step 3: Cross multiply
    374,414.27x = 516,633.95 × 213,248.77
  4. Step 4: Simplify right side
    374,414.27x = 110,171,554,377.74
  5. Step 5: Solve for x
    x = 110,171,554,377.74/374,414.27
  6. Step 6: Final answer
    x = 294,250.42

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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.