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Finding the Fourth Proportional to 268,268.40, 402,256.80 and 110,512.80

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Solution

The fourth proportional to 268,268.40, 402,256.80 and 110,512.80 is: 165,709.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,268.40 : 402,256.80 = 110,512.80 : x
  2. Step 2: Convert to fraction form
    268,268.40/402,256.80 = 110,512.80/x
  3. Step 3: Cross multiply
    268,268.40x = 402,256.80 × 110,512.80
  4. Step 4: Simplify right side
    268,268.40x = 44,454,525,287.04
  5. Step 5: Solve for x
    x = 44,454,525,287.04/268,268.40
  6. Step 6: Final answer
    x = 165,709.14

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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.