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Finding the Fourth Proportional to 367,796.46, 551,760.30 and 143,279.04

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Solution

The fourth proportional to 367,796.46, 551,760.30 and 143,279.04 is: 214,944.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,796.46 : 551,760.30 = 143,279.04 : x
  2. Step 2: Convert to fraction form
    367,796.46/551,760.30 = 143,279.04/x
  3. Step 3: Cross multiply
    367,796.46x = 551,760.30 × 143,279.04
  4. Step 4: Simplify right side
    367,796.46x = 79,055,686,094.11
  5. Step 5: Solve for x
    x = 79,055,686,094.11/367,796.46
  6. Step 6: Final answer
    x = 214,944.12

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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.