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Finding the Fourth Proportional to 431,818.45, 595,938.62 and 250,530.42

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Solution

The fourth proportional to 431,818.45, 595,938.62 and 250,530.42 is: 345,748.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,818.45 : 595,938.62 = 250,530.42 : x
  2. Step 2: Convert to fraction form
    431,818.45/595,938.62 = 250,530.42/x
  3. Step 3: Cross multiply
    431,818.45x = 595,938.62 × 250,530.42
  4. Step 4: Simplify right side
    431,818.45x = 149,300,752,762.82
  5. Step 5: Solve for x
    x = 149,300,752,762.82/431,818.45
  6. Step 6: Final answer
    x = 345,748.90

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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.