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Finding the Fourth Proportional to 431,294.47, 595,188.81 and 250,113.98

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Solution

The fourth proportional to 431,294.47, 595,188.81 and 250,113.98 is: 345,158.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,294.47 : 595,188.81 = 250,113.98 : x
  2. Step 2: Convert to fraction form
    431,294.47/595,188.81 = 250,113.98/x
  3. Step 3: Cross multiply
    431,294.47x = 595,188.81 × 250,113.98
  4. Step 4: Simplify right side
    431,294.47x = 148,865,042,120.56
  5. Step 5: Solve for x
    x = 148,865,042,120.56/431,294.47
  6. Step 6: Final answer
    x = 345,158.71

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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.