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Finding the Fourth Proportional to 680,033.41, 938,409.01 and 374,060.41

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Solution

The fourth proportional to 680,033.41, 938,409.01 and 374,060.41 is: 516,182.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,033.41 : 938,409.01 = 374,060.41 : x
  2. Step 2: Convert to fraction form
    680,033.41/938,409.01 = 374,060.41/x
  3. Step 3: Cross multiply
    680,033.41x = 938,409.01 × 374,060.41
  4. Step 4: Simplify right side
    680,033.41x = 351,021,659,028.29
  5. Step 5: Solve for x
    x = 351,021,659,028.29/680,033.41
  6. Step 6: Final answer
    x = 516,182.96

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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.