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Finding the Fourth Proportional to 271,809.60, 407,811.60 and 114,086.40

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Solution

The fourth proportional to 271,809.60, 407,811.60 and 114,086.40 is: 171,170.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,809.60 : 407,811.60 = 114,086.40 : x
  2. Step 2: Convert to fraction form
    271,809.60/407,811.60 = 114,086.40/x
  3. Step 3: Cross multiply
    271,809.60x = 407,811.60 × 114,086.40
  4. Step 4: Simplify right side
    271,809.60x = 46,525,757,322.24
  5. Step 5: Solve for x
    x = 46,525,757,322.24/271,809.60
  6. Step 6: Final answer
    x = 171,170.40

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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.