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Finding the Fourth Proportional to 341,211.70, 511,799.10 and 104,555.08

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Solution

The fourth proportional to 341,211.70, 511,799.10 and 104,555.08 is: 156,826.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,211.70 : 511,799.10 = 104,555.08 : x
  2. Step 2: Convert to fraction form
    341,211.70/511,799.10 = 104,555.08/x
  3. Step 3: Cross multiply
    341,211.70x = 511,799.10 × 104,555.08
  4. Step 4: Simplify right side
    341,211.70x = 53,511,195,844.43
  5. Step 5: Solve for x
    x = 53,511,195,844.43/341,211.70
  6. Step 6: Final answer
    x = 156,826.97

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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.