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Finding the Fourth Proportional to 316,208.82, 436,245.66 and 201,467.04

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Solution

The fourth proportional to 316,208.82, 436,245.66 and 201,467.04 is: 277,946.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,208.82 : 436,245.66 = 201,467.04 : x
  2. Step 2: Convert to fraction form
    316,208.82/436,245.66 = 201,467.04/x
  3. Step 3: Cross multiply
    316,208.82x = 436,245.66 × 201,467.04
  4. Step 4: Simplify right side
    316,208.82x = 87,889,121,833.05
  5. Step 5: Solve for x
    x = 87,889,121,833.05/316,208.82
  6. Step 6: Final answer
    x = 277,946.46

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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.