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Finding the Fourth Proportional to 260,062.60, 389,834.70 and 119,576.20

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Solution

The fourth proportional to 260,062.60, 389,834.70 and 119,576.20 is: 179,245.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,062.60 : 389,834.70 = 119,576.20 : x
  2. Step 2: Convert to fraction form
    260,062.60/389,834.70 = 119,576.20/x
  3. Step 3: Cross multiply
    260,062.60x = 389,834.70 × 119,576.20
  4. Step 4: Simplify right side
    260,062.60x = 46,614,952,054.14
  5. Step 5: Solve for x
    x = 46,614,952,054.14/260,062.60
  6. Step 6: Final answer
    x = 179,245.12

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1.5x scale

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.