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Finding the Fourth Proportional to 260,607.70, 359,453.23 and 239,166.69

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Solution

The fourth proportional to 260,607.70, 359,453.23 and 239,166.69 is: 329,879.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,607.70 : 359,453.23 = 239,166.69 : x
  2. Step 2: Convert to fraction form
    260,607.70/359,453.23 = 239,166.69/x
  3. Step 3: Cross multiply
    260,607.70x = 359,453.23 × 239,166.69
  4. Step 4: Simplify right side
    260,607.70x = 85,969,239,228.91
  5. Step 5: Solve for x
    x = 85,969,239,228.91/260,607.70
  6. Step 6: Final answer
    x = 329,879.89

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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.