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Finding the Fourth Proportional to 274,603.93, 411,162.50 and 194,311.87

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Solution

The fourth proportional to 274,603.93, 411,162.50 and 194,311.87 is: 290,941.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,603.93 : 411,162.50 = 194,311.87 : x
  2. Step 2: Convert to fraction form
    274,603.93/411,162.50 = 194,311.87/x
  3. Step 3: Cross multiply
    274,603.93x = 411,162.50 × 194,311.87
  4. Step 4: Simplify right side
    274,603.93x = 79,893,751,221.50
  5. Step 5: Solve for x
    x = 79,893,751,221.50/274,603.93
  6. Step 6: Final answer
    x = 290,941.77

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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.