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Finding the Fourth Proportional to 517,119.46, 775,676.61 and 132,867.97

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Solution

The fourth proportional to 517,119.46, 775,676.61 and 132,867.97 is: 199,301.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,119.46 : 775,676.61 = 132,867.97 : x
  2. Step 2: Convert to fraction form
    517,119.46/775,676.61 = 132,867.97/x
  3. Step 3: Cross multiply
    517,119.46x = 775,676.61 × 132,867.97
  4. Step 4: Simplify right side
    517,119.46x = 103,062,574,607.99
  5. Step 5: Solve for x
    x = 103,062,574,607.99/517,119.46
  6. Step 6: Final answer
    x = 199,301.29

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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.