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Finding the Fourth Proportional to 260,763.30, 360,511.46 and 192,672.88

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Solution

The fourth proportional to 260,763.30, 360,511.46 and 192,672.88 is: 266,374.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,763.30 : 360,511.46 = 192,672.88 : x
  2. Step 2: Convert to fraction form
    260,763.30/360,511.46 = 192,672.88/x
  3. Step 3: Cross multiply
    260,763.30x = 360,511.46 × 192,672.88
  4. Step 4: Simplify right side
    260,763.30x = 69,460,780,129.09
  5. Step 5: Solve for x
    x = 69,460,780,129.09/260,763.30
  6. Step 6: Final answer
    x = 266,374.83

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1.5x scale

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.