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Finding the Fourth Proportional to 598,563.31, 826,034.93 and 326,648.75

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Solution

The fourth proportional to 598,563.31, 826,034.93 and 326,648.75 is: 450,784.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,563.31 : 826,034.93 = 326,648.75 : x
  2. Step 2: Convert to fraction form
    598,563.31/826,034.93 = 326,648.75/x
  3. Step 3: Cross multiply
    598,563.31x = 826,034.93 × 326,648.75
  4. Step 4: Simplify right side
    598,563.31x = 269,823,278,826.85
  5. Step 5: Solve for x
    x = 269,823,278,826.85/598,563.31
  6. Step 6: Final answer
    x = 450,784.86

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1.5x scale

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.