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Finding the Fourth Proportional to 573,572.70, 860,473.98 and 321,212.16

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Solution

The fourth proportional to 573,572.70, 860,473.98 and 321,212.16 is: 481,882.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,572.70 : 860,473.98 = 321,212.16 : x
  2. Step 2: Convert to fraction form
    573,572.70/860,473.98 = 321,212.16/x
  3. Step 3: Cross multiply
    573,572.70x = 860,473.98 × 321,212.16
  4. Step 4: Simplify right side
    573,572.70x = 276,394,705,739.60
  5. Step 5: Solve for x
    x = 276,394,705,739.60/573,572.70
  6. Step 6: Final answer
    x = 481,882.60

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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.