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Finding the Fourth Proportional to 431,598.72, 595,637.76 and 250,372.56

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Solution

The fourth proportional to 431,598.72, 595,637.76 and 250,372.56 is: 345,532.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,598.72 : 595,637.76 = 250,372.56 : x
  2. Step 2: Convert to fraction form
    431,598.72/595,637.76 = 250,372.56/x
  3. Step 3: Cross multiply
    431,598.72x = 595,637.76 × 250,372.56
  4. Step 4: Simplify right side
    431,598.72x = 149,131,350,803.87
  5. Step 5: Solve for x
    x = 149,131,350,803.87/431,598.72
  6. Step 6: Final answer
    x = 345,532.42

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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.