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Finding the Fourth Proportional to 431,468.86, 595,295.07 and 250,144.61

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Solution

The fourth proportional to 431,468.86, 595,295.07 and 250,144.61 is: 345,123.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,468.86 : 595,295.07 = 250,144.61 : x
  2. Step 2: Convert to fraction form
    431,468.86/595,295.07 = 250,144.61/x
  3. Step 3: Cross multiply
    431,468.86x = 595,295.07 × 250,144.61
  4. Step 4: Simplify right side
    431,468.86x = 148,909,850,143.60
  5. Step 5: Solve for x
    x = 148,909,850,143.60/431,468.86
  6. Step 6: Final answer
    x = 345,123.05

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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.