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Finding the Fourth Proportional to 573,573.82, 791,526.96 and 318,922.78

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Solution

The fourth proportional to 573,573.82, 791,526.96 and 318,922.78 is: 440,110.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,573.82 : 791,526.96 = 318,922.78 : x
  2. Step 2: Convert to fraction form
    573,573.82/791,526.96 = 318,922.78/x
  3. Step 3: Cross multiply
    573,573.82x = 791,526.96 × 318,922.78
  4. Step 4: Simplify right side
    573,573.82x = 252,435,978,528.15
  5. Step 5: Solve for x
    x = 252,435,978,528.15/573,573.82
  6. Step 6: Final answer
    x = 440,110.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.