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Finding the Fourth Proportional to 240,247.40, 360,662.70 and 133,716.20

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Solution

The fourth proportional to 240,247.40, 360,662.70 and 133,716.20 is: 200,736.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,247.40 : 360,662.70 = 133,716.20 : x
  2. Step 2: Convert to fraction form
    240,247.40/360,662.70 = 133,716.20/x
  3. Step 3: Cross multiply
    240,247.40x = 360,662.70 × 133,716.20
  4. Step 4: Simplify right side
    240,247.40x = 48,226,445,725.74
  5. Step 5: Solve for x
    x = 48,226,445,725.74/240,247.40
  6. Step 6: Final answer
    x = 200,736.60

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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.