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Finding the Fourth Proportional to 462,215.80, 693,323.70 and 163,034.20

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Solution

The fourth proportional to 462,215.80, 693,323.70 and 163,034.20 is: 244,551.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,215.80 : 693,323.70 = 163,034.20 : x
  2. Step 2: Convert to fraction form
    462,215.80/693,323.70 = 163,034.20/x
  3. Step 3: Cross multiply
    462,215.80x = 693,323.70 × 163,034.20
  4. Step 4: Simplify right side
    462,215.80x = 113,035,474,770.54
  5. Step 5: Solve for x
    x = 113,035,474,770.54/462,215.80
  6. Step 6: Final answer
    x = 244,551.30

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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.