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Finding the Fourth Proportional to 273,002.80, 408,520.05 and 184,429.30

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Solution

The fourth proportional to 273,002.80, 408,520.05 and 184,429.30 is: 275,979.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,002.80 : 408,520.05 = 184,429.30 : x
  2. Step 2: Convert to fraction form
    273,002.80/408,520.05 = 184,429.30/x
  3. Step 3: Cross multiply
    273,002.80x = 408,520.05 × 184,429.30
  4. Step 4: Simplify right side
    273,002.80x = 75,343,066,857.47
  5. Step 5: Solve for x
    x = 75,343,066,857.47/273,002.80
  6. Step 6: Final answer
    x = 275,979.10

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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.