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Finding the Fourth Proportional to 395,671.16, 546,215.42 and 225,872.48

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Solution

The fourth proportional to 395,671.16, 546,215.42 and 225,872.48 is: 311,812.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,671.16 : 546,215.42 = 225,872.48 : x
  2. Step 2: Convert to fraction form
    395,671.16/546,215.42 = 225,872.48/x
  3. Step 3: Cross multiply
    395,671.16x = 546,215.42 × 225,872.48
  4. Step 4: Simplify right side
    395,671.16x = 123,375,031,529.64
  5. Step 5: Solve for x
    x = 123,375,031,529.64/395,671.16
  6. Step 6: Final answer
    x = 311,812.04

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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.