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Finding the Fourth Proportional to 341,116.72, 511,676.28 and 104,458.36

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Solution

The fourth proportional to 341,116.72, 511,676.28 and 104,458.36 is: 156,687.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,116.72 : 511,676.28 = 104,458.36 : x
  2. Step 2: Convert to fraction form
    341,116.72/511,676.28 = 104,458.36/x
  3. Step 3: Cross multiply
    341,116.72x = 511,676.28 × 104,458.36
  4. Step 4: Simplify right side
    341,116.72x = 53,448,865,059.70
  5. Step 5: Solve for x
    x = 53,448,865,059.70/341,116.72
  6. Step 6: Final answer
    x = 156,687.91

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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.