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Finding the Fourth Proportional to 573,069, 859,267.86 and 218,109.24

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Solution

The fourth proportional to 573,069, 859,267.86 and 218,109.24 is: 327,036.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,069 : 859,267.86 = 218,109.24 : x
  2. Step 2: Convert to fraction form
    573,069/859,267.86 = 218,109.24/x
  3. Step 3: Cross multiply
    573,069x = 859,267.86 × 218,109.24
  4. Step 4: Simplify right side
    573,069x = 187,414,259,901.03
  5. Step 5: Solve for x
    x = 187,414,259,901.03/573,069
  6. Step 6: Final answer
    x = 327,036.12

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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.