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Finding the Fourth Proportional to 573,027.71, 859,570.20 and 218,069.30

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Solution

The fourth proportional to 573,027.71, 859,570.20 and 218,069.30 is: 327,114.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,027.71 : 859,570.20 = 218,069.30 : x
  2. Step 2: Convert to fraction form
    573,027.71/859,570.20 = 218,069.30/x
  3. Step 3: Cross multiply
    573,027.71x = 859,570.20 × 218,069.30
  4. Step 4: Simplify right side
    573,027.71x = 187,445,867,517.01
  5. Step 5: Solve for x
    x = 187,445,867,517.01/573,027.71
  6. Step 6: Final answer
    x = 327,114.84

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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.