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Finding the Fourth Proportional to 462,202.70, 693,304.05 and 213,370.70

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Solution

The fourth proportional to 462,202.70, 693,304.05 and 213,370.70 is: 320,056.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,202.70 : 693,304.05 = 213,370.70 : x
  2. Step 2: Convert to fraction form
    462,202.70/693,304.05 = 213,370.70/x
  3. Step 3: Cross multiply
    462,202.70x = 693,304.05 × 213,370.70
  4. Step 4: Simplify right side
    462,202.70x = 147,930,770,461.34
  5. Step 5: Solve for x
    x = 147,930,770,461.34/462,202.70
  6. Step 6: Final answer
    x = 320,056.05

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Similar ratio
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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.