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Finding the Fourth Proportional to 486,062.10, 729,093.15 and 441,738.90

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Solution

The fourth proportional to 486,062.10, 729,093.15 and 441,738.90 is: 662,608.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,062.10 : 729,093.15 = 441,738.90 : x
  2. Step 2: Convert to fraction form
    486,062.10/729,093.15 = 441,738.90/x
  3. Step 3: Cross multiply
    486,062.10x = 729,093.15 × 441,738.90
  4. Step 4: Simplify right side
    486,062.10x = 322,068,806,078.54
  5. Step 5: Solve for x
    x = 322,068,806,078.54/486,062.10
  6. Step 6: Final answer
    x = 662,608.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.