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Finding the Fourth Proportional to 442,899.94, 611,201.97 and 273,232.66

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Solution

The fourth proportional to 442,899.94, 611,201.97 and 273,232.66 is: 377,061.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,899.94 : 611,201.97 = 273,232.66 : x
  2. Step 2: Convert to fraction form
    442,899.94/611,201.97 = 273,232.66/x
  3. Step 3: Cross multiply
    442,899.94x = 611,201.97 × 273,232.66
  4. Step 4: Simplify right side
    442,899.94x = 167,000,340,060.34
  5. Step 5: Solve for x
    x = 167,000,340,060.34/442,899.94
  6. Step 6: Final answer
    x = 377,061.10

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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.