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Finding the Fourth Proportional to 517,896.18, 776,846.70 and 180,935.37

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Solution

The fourth proportional to 517,896.18, 776,846.70 and 180,935.37 is: 271,403.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,896.18 : 776,846.70 = 180,935.37 : x
  2. Step 2: Convert to fraction form
    517,896.18/776,846.70 = 180,935.37/x
  3. Step 3: Cross multiply
    517,896.18x = 776,846.70 × 180,935.37
  4. Step 4: Simplify right side
    517,896.18x = 140,559,045,097.78
  5. Step 5: Solve for x
    x = 140,559,045,097.78/517,896.18
  6. Step 6: Final answer
    x = 271,403.90

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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.