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Finding the Fourth Proportional to 273,960.06, 411,070.41 and 189,849.66

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Solution

The fourth proportional to 273,960.06, 411,070.41 and 189,849.66 is: 284,864.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,960.06 : 411,070.41 = 189,849.66 : x
  2. Step 2: Convert to fraction form
    273,960.06/411,070.41 = 189,849.66/x
  3. Step 3: Cross multiply
    273,960.06x = 411,070.41 × 189,849.66
  4. Step 4: Simplify right side
    273,960.06x = 78,041,577,574.56
  5. Step 5: Solve for x
    x = 78,041,577,574.56/273,960.06
  6. Step 6: Final answer
    x = 284,864.80

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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.