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Finding the Fourth Proportional to 450,649.63, 675,956.76 and 113,685.85

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Solution

The fourth proportional to 450,649.63, 675,956.76 and 113,685.85 is: 170,524.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,649.63 : 675,956.76 = 113,685.85 : x
  2. Step 2: Convert to fraction form
    450,649.63/675,956.76 = 113,685.85/x
  3. Step 3: Cross multiply
    450,649.63x = 675,956.76 × 113,685.85
  4. Step 4: Simplify right side
    450,649.63x = 76,846,718,823.85
  5. Step 5: Solve for x
    x = 76,846,718,823.85/450,649.63
  6. Step 6: Final answer
    x = 170,524.31

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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.