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Finding the Fourth Proportional to 383,588.52, 529,105.14 and 254,524.20

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Solution

The fourth proportional to 383,588.52, 529,105.14 and 254,524.20 is: 351,079.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,588.52 : 529,105.14 = 254,524.20 : x
  2. Step 2: Convert to fraction form
    383,588.52/529,105.14 = 254,524.20/x
  3. Step 3: Cross multiply
    383,588.52x = 529,105.14 × 254,524.20
  4. Step 4: Simplify right side
    383,588.52x = 134,670,062,474.39
  5. Step 5: Solve for x
    x = 134,670,062,474.39/383,588.52
  6. Step 6: Final answer
    x = 351,079.49

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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.