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Finding the Fourth Proportional to 354,364.53, 531,615.24 and 114,542.97

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Solution

The fourth proportional to 354,364.53, 531,615.24 and 114,542.97 is: 171,836.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,364.53 : 531,615.24 = 114,542.97 : x
  2. Step 2: Convert to fraction form
    354,364.53/531,615.24 = 114,542.97/x
  3. Step 3: Cross multiply
    354,364.53x = 531,615.24 × 114,542.97
  4. Step 4: Simplify right side
    354,364.53x = 60,892,788,486.86
  5. Step 5: Solve for x
    x = 60,892,788,486.86/354,364.53
  6. Step 6: Final answer
    x = 171,836.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.