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Finding the Fourth Proportional to 431,635.88, 595,701.06 and 250,403.24

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Solution

The fourth proportional to 431,635.88, 595,701.06 and 250,403.24 is: 345,581.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,635.88 : 595,701.06 = 250,403.24 : x
  2. Step 2: Convert to fraction form
    431,635.88/595,701.06 = 250,403.24/x
  3. Step 3: Cross multiply
    431,635.88x = 595,701.06 × 250,403.24
  4. Step 4: Simplify right side
    431,635.88x = 149,165,475,495.43
  5. Step 5: Solve for x
    x = 149,165,475,495.43/431,635.88
  6. Step 6: Final answer
    x = 345,581.73

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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.