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Finding the Fourth Proportional to 462,936.79, 694,460.67 and 163,355.50

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Solution

The fourth proportional to 462,936.79, 694,460.67 and 163,355.50 is: 245,052.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,936.79 : 694,460.67 = 163,355.50 : x
  2. Step 2: Convert to fraction form
    462,936.79/694,460.67 = 163,355.50/x
  3. Step 3: Cross multiply
    462,936.79x = 694,460.67 × 163,355.50
  4. Step 4: Simplify right side
    462,936.79x = 113,443,969,978.19
  5. Step 5: Solve for x
    x = 113,443,969,978.19/462,936.79
  6. Step 6: Final answer
    x = 245,052.83

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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.