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Finding the Fourth Proportional to 462,206.80, 693,310.20 and 163,025.20

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Solution

The fourth proportional to 462,206.80, 693,310.20 and 163,025.20 is: 244,537.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,206.80 : 693,310.20 = 163,025.20 : x
  2. Step 2: Convert to fraction form
    462,206.80/693,310.20 = 163,025.20/x
  3. Step 3: Cross multiply
    462,206.80x = 693,310.20 × 163,025.20
  4. Step 4: Simplify right side
    462,206.80x = 113,027,034,017.04
  5. Step 5: Solve for x
    x = 113,027,034,017.04/462,206.80
  6. Step 6: Final answer
    x = 244,537.80

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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.