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Finding the Fourth Proportional to 273,553.69, 411,052.16 and 147,287.29

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Solution

The fourth proportional to 273,553.69, 411,052.16 and 147,287.29 is: 221,319.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,553.69 : 411,052.16 = 147,287.29 : x
  2. Step 2: Convert to fraction form
    273,553.69/411,052.16 = 147,287.29/x
  3. Step 3: Cross multiply
    273,553.69x = 411,052.16 × 147,287.29
  4. Step 4: Simplify right side
    273,553.69x = 60,542,758,695.05
  5. Step 5: Solve for x
    x = 60,542,758,695.05/273,553.69
  6. Step 6: Final answer
    x = 221,319.47

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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.