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Finding the Fourth Proportional to 341,881.76, 512,884.60 and 171,192.48

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Solution

The fourth proportional to 341,881.76, 512,884.60 and 171,192.48 is: 256,819.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,881.76 : 512,884.60 = 171,192.48 : x
  2. Step 2: Convert to fraction form
    341,881.76/512,884.60 = 171,192.48/x
  3. Step 3: Cross multiply
    341,881.76x = 512,884.60 × 171,192.48
  4. Step 4: Simplify right side
    341,881.76x = 87,801,986,627.81
  5. Step 5: Solve for x
    x = 87,801,986,627.81/341,881.76
  6. Step 6: Final answer
    x = 256,819.75

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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.