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Finding the Fourth Proportional to 598,086.30, 825,378.89 and 326,176.59

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Solution

The fourth proportional to 598,086.30, 825,378.89 and 326,176.59 is: 450,134.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,086.30 : 825,378.89 = 326,176.59 : x
  2. Step 2: Convert to fraction form
    598,086.30/825,378.89 = 326,176.59/x
  3. Step 3: Cross multiply
    598,086.30x = 825,378.89 × 326,176.59
  4. Step 4: Simplify right side
    598,086.30x = 269,219,273,262.47
  5. Step 5: Solve for x
    x = 269,219,273,262.47/598,086.30
  6. Step 6: Final answer
    x = 450,134.49

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Double scale
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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.