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Finding the Fourth Proportional to 374,406.13, 516,620.73 and 213,264.37

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Solution

The fourth proportional to 374,406.13, 516,620.73 and 213,264.37 is: 294,270.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,406.13 : 516,620.73 = 213,264.37 : x
  2. Step 2: Convert to fraction form
    374,406.13/516,620.73 = 213,264.37/x
  3. Step 3: Cross multiply
    374,406.13x = 516,620.73 × 213,264.37
  4. Step 4: Simplify right side
    374,406.13x = 110,176,794,512.39
  5. Step 5: Solve for x
    x = 110,176,794,512.39/374,406.13
  6. Step 6: Final answer
    x = 294,270.81

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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.