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Finding the Fourth Proportional to 251,250.66, 346,379.49 and 200,435.85

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Solution

The fourth proportional to 251,250.66, 346,379.49 and 200,435.85 is: 276,325.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,250.66 : 346,379.49 = 200,435.85 : x
  2. Step 2: Convert to fraction form
    251,250.66/346,379.49 = 200,435.85/x
  3. Step 3: Cross multiply
    251,250.66x = 346,379.49 × 200,435.85
  4. Step 4: Simplify right side
    251,250.66x = 69,426,867,500.72
  5. Step 5: Solve for x
    x = 69,426,867,500.72/251,250.66
  6. Step 6: Final answer
    x = 276,325.11

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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.