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Finding the Fourth Proportional to 341,730.80, 471,586.60 and 188,779.48

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Solution

The fourth proportional to 341,730.80, 471,586.60 and 188,779.48 is: 260,514.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,730.80 : 471,586.60 = 188,779.48 : x
  2. Step 2: Convert to fraction form
    341,730.80/471,586.60 = 188,779.48/x
  3. Step 3: Cross multiply
    341,730.80x = 471,586.60 × 188,779.48
  4. Step 4: Simplify right side
    341,730.80x = 89,025,873,122.97
  5. Step 5: Solve for x
    x = 89,025,873,122.97/341,730.80
  6. Step 6: Final answer
    x = 260,514.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.