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Finding the Fourth Proportional to 573,553.67, 791,499.26 and 318,902.63

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Solution

The fourth proportional to 573,553.67, 791,499.26 and 318,902.63 is: 440,082.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,553.67 : 791,499.26 = 318,902.63 : x
  2. Step 2: Convert to fraction form
    573,553.67/791,499.26 = 318,902.63/x
  3. Step 3: Cross multiply
    573,553.67x = 791,499.26 × 318,902.63
  4. Step 4: Simplify right side
    573,553.67x = 252,411,192,496.81
  5. Step 5: Solve for x
    x = 252,411,192,496.81/573,553.67
  6. Step 6: Final answer
    x = 440,082.96

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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.