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Finding the Fourth Proportional to 341,192.32, 511,788.48 and 331,861.12

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Solution

The fourth proportional to 341,192.32, 511,788.48 and 331,861.12 is: 497,791.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,192.32 : 511,788.48 = 331,861.12 : x
  2. Step 2: Convert to fraction form
    341,192.32/511,788.48 = 331,861.12/x
  3. Step 3: Cross multiply
    341,192.32x = 511,788.48 × 331,861.12
  4. Step 4: Simplify right side
    341,192.32x = 169,842,698,175.90
  5. Step 5: Solve for x
    x = 169,842,698,175.90/341,192.32
  6. Step 6: Final answer
    x = 497,791.68

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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.