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Finding the Fourth Proportional to 322,553.34, 483,968.52 and 112,076.46

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Solution

The fourth proportional to 322,553.34, 483,968.52 and 112,076.46 is: 168,162.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,553.34 : 483,968.52 = 112,076.46 : x
  2. Step 2: Convert to fraction form
    322,553.34/483,968.52 = 112,076.46/x
  3. Step 3: Cross multiply
    322,553.34x = 483,968.52 × 112,076.46
  4. Step 4: Simplify right side
    322,553.34x = 54,241,478,473.04
  5. Step 5: Solve for x
    x = 54,241,478,473.04/322,553.34
  6. Step 6: Final answer
    x = 168,162.82

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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.