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Finding the Fourth Proportional to 240,742.26, 360,920.61 and 114,318.54

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Solution

The fourth proportional to 240,742.26, 360,920.61 and 114,318.54 is: 171,386.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,742.26 : 360,920.61 = 114,318.54 : x
  2. Step 2: Convert to fraction form
    240,742.26/360,920.61 = 114,318.54/x
  3. Step 3: Cross multiply
    240,742.26x = 360,920.61 × 114,318.54
  4. Step 4: Simplify right side
    240,742.26x = 41,259,917,191.11
  5. Step 5: Solve for x
    x = 41,259,917,191.11/240,742.26
  6. Step 6: Final answer
    x = 171,386.27

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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.