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Finding the Fourth Proportional to 324,264.53, 447,492.60 and 203,410.91

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Solution

The fourth proportional to 324,264.53, 447,492.60 and 203,410.91 is: 280,711.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,264.53 : 447,492.60 = 203,410.91 : x
  2. Step 2: Convert to fraction form
    324,264.53/447,492.60 = 203,410.91/x
  3. Step 3: Cross multiply
    324,264.53x = 447,492.60 × 203,410.91
  4. Step 4: Simplify right side
    324,264.53x = 91,024,878,103.00
  5. Step 5: Solve for x
    x = 91,024,878,103.00/324,264.53
  6. Step 6: Final answer
    x = 280,711.79

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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.