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Finding the Fourth Proportional to 347,992.72, 480,207.22 and 204,725.08

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Solution

The fourth proportional to 347,992.72, 480,207.22 and 204,725.08 is: 282,507.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,992.72 : 480,207.22 = 204,725.08 : x
  2. Step 2: Convert to fraction form
    347,992.72/480,207.22 = 204,725.08/x
  3. Step 3: Cross multiply
    347,992.72x = 480,207.22 × 204,725.08
  4. Step 4: Simplify right side
    347,992.72x = 98,310,461,619.52
  5. Step 5: Solve for x
    x = 98,310,461,619.52/347,992.72
  6. Step 6: Final answer
    x = 282,507.24

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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.