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Finding the Fourth Proportional to 341,394.88, 511,782.56 and 119,657.92

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Solution

The fourth proportional to 341,394.88, 511,782.56 and 119,657.92 is: 179,378.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,394.88 : 511,782.56 = 119,657.92 : x
  2. Step 2: Convert to fraction form
    341,394.88/511,782.56 = 119,657.92/x
  3. Step 3: Cross multiply
    341,394.88x = 511,782.56 × 119,657.92
  4. Step 4: Simplify right side
    341,394.88x = 61,238,836,621.88
  5. Step 5: Solve for x
    x = 61,238,836,621.88/341,394.88
  6. Step 6: Final answer
    x = 179,378.31

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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.