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Finding the Fourth Proportional to 598,688.60, 826,203.31 and 326,757.56

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Solution

The fourth proportional to 598,688.60, 826,203.31 and 326,757.56 is: 450,932.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,688.60 : 826,203.31 = 326,757.56 : x
  2. Step 2: Convert to fraction form
    598,688.60/826,203.31 = 326,757.56/x
  3. Step 3: Cross multiply
    598,688.60x = 826,203.31 × 326,757.56
  4. Step 4: Simplify right side
    598,688.60x = 269,968,172,691.61
  5. Step 5: Solve for x
    x = 269,968,172,691.61/598,688.60
  6. Step 6: Final answer
    x = 450,932.55

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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.