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Finding the Fourth Proportional to 431,343.90, 595,256.96 and 250,163.26

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Solution

The fourth proportional to 431,343.90, 595,256.96 and 250,163.26 is: 345,226.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,343.90 : 595,256.96 = 250,163.26 : x
  2. Step 2: Convert to fraction form
    431,343.90/595,256.96 = 250,163.26/x
  3. Step 3: Cross multiply
    431,343.90x = 595,256.96 × 250,163.26
  4. Step 4: Simplify right side
    431,343.90x = 148,911,420,788.56
  5. Step 5: Solve for x
    x = 148,911,420,788.56/431,343.90
  6. Step 6: Final answer
    x = 345,226.68

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1.5x scale

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.