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Finding the Fourth Proportional to 680,092.66, 938,527.95 and 374,162.50

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Solution

The fourth proportional to 680,092.66, 938,527.95 and 374,162.50 is: 516,344.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,092.66 : 938,527.95 = 374,162.50 : x
  2. Step 2: Convert to fraction form
    680,092.66/938,527.95 = 374,162.50/x
  3. Step 3: Cross multiply
    680,092.66x = 938,527.95 × 374,162.50
  4. Step 4: Simplify right side
    680,092.66x = 351,161,964,091.88
  5. Step 5: Solve for x
    x = 351,161,964,091.88/680,092.66
  6. Step 6: Final answer
    x = 516,344.29

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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.