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Finding the Fourth Proportional to 383,535.91, 529,060.08 and 240,046.84

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Solution

The fourth proportional to 383,535.91, 529,060.08 and 240,046.84 is: 331,127.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,535.91 : 529,060.08 = 240,046.84 : x
  2. Step 2: Convert to fraction form
    383,535.91/529,060.08 = 240,046.84/x
  3. Step 3: Cross multiply
    383,535.91x = 529,060.08 × 240,046.84
  4. Step 4: Simplify right side
    383,535.91x = 126,999,200,374.15
  5. Step 5: Solve for x
    x = 126,999,200,374.15/383,535.91
  6. Step 6: Final answer
    x = 331,127.27

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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.