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Finding the Fourth Proportional to 329,874.08, 455,226.24 and 186,631.04

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Solution

The fourth proportional to 329,874.08, 455,226.24 and 186,631.04 is: 257,550.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,874.08 : 455,226.24 = 186,631.04 : x
  2. Step 2: Convert to fraction form
    329,874.08/455,226.24 = 186,631.04/x
  3. Step 3: Cross multiply
    329,874.08x = 455,226.24 × 186,631.04
  4. Step 4: Simplify right side
    329,874.08x = 84,959,346,606.49
  5. Step 5: Solve for x
    x = 84,959,346,606.49/329,874.08
  6. Step 6: Final answer
    x = 257,550.84

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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.