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Finding the Fourth Proportional to 260,964.81, 360,119.39 and 147,788.37

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Solution

The fourth proportional to 260,964.81, 360,119.39 and 147,788.37 is: 203,941.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,964.81 : 360,119.39 = 147,788.37 : x
  2. Step 2: Convert to fraction form
    260,964.81/360,119.39 = 147,788.37/x
  3. Step 3: Cross multiply
    260,964.81x = 360,119.39 × 147,788.37
  4. Step 4: Simplify right side
    260,964.81x = 53,221,456,914.55
  5. Step 5: Solve for x
    x = 53,221,456,914.55/260,964.81
  6. Step 6: Final answer
    x = 203,941.12

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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.