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Finding the Fourth Proportional to 260,684.77, 359,559.47 and 239,243.76

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Solution

The fourth proportional to 260,684.77, 359,559.47 and 239,243.76 is: 329,986.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,684.77 : 359,559.47 = 239,243.76 : x
  2. Step 2: Convert to fraction form
    260,684.77/359,559.47 = 239,243.76/x
  3. Step 3: Cross multiply
    260,684.77x = 359,559.47 × 239,243.76
  4. Step 4: Simplify right side
    260,684.77x = 86,022,359,698.54
  5. Step 5: Solve for x
    x = 86,022,359,698.54/260,684.77
  6. Step 6: Final answer
    x = 329,986.14

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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.