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Finding the Fourth Proportional to 374,517.21, 516,833.64 and 204,751.32

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Solution

The fourth proportional to 374,517.21, 516,833.64 and 204,751.32 is: 282,556.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,517.21 : 516,833.64 = 204,751.32 : x
  2. Step 2: Convert to fraction form
    374,517.21/516,833.64 = 204,751.32/x
  3. Step 3: Cross multiply
    374,517.21x = 516,833.64 × 204,751.32
  4. Step 4: Simplify right side
    374,517.21x = 105,822,370,010.41
  5. Step 5: Solve for x
    x = 105,822,370,010.41/374,517.21
  6. Step 6: Final answer
    x = 282,556.76

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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.