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Finding the Fourth Proportional to 329,093.32, 493,659.12 and 92,454.45

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Solution

The fourth proportional to 329,093.32, 493,659.12 and 92,454.45 is: 138,687.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,093.32 : 493,659.12 = 92,454.45 : x
  2. Step 2: Convert to fraction form
    329,093.32/493,659.12 = 92,454.45/x
  3. Step 3: Cross multiply
    329,093.32x = 493,659.12 × 92,454.45
  4. Step 4: Simplify right side
    329,093.32x = 45,640,983,005.99
  5. Step 5: Solve for x
    x = 45,640,983,005.99/329,093.32
  6. Step 6: Final answer
    x = 138,687.05

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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.