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Finding the Fourth Proportional to 431,356.55, 595,274.40 and 250,175.92

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Solution

The fourth proportional to 431,356.55, 595,274.40 and 250,175.92 is: 345,244.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,356.55 : 595,274.40 = 250,175.92 : x
  2. Step 2: Convert to fraction form
    431,356.55/595,274.40 = 250,175.92/x
  3. Step 3: Cross multiply
    431,356.55x = 595,274.40 × 250,175.92
  4. Step 4: Simplify right side
    431,356.55x = 148,923,320,672.45
  5. Step 5: Solve for x
    x = 148,923,320,672.45/431,356.55
  6. Step 6: Final answer
    x = 345,244.14

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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.