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Finding the Fourth Proportional to 271,855.60, 407,783.40 and 271,855.60

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Solution

The fourth proportional to 271,855.60, 407,783.40 and 271,855.60 is: 407,783.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,855.60 : 407,783.40 = 271,855.60 : x
  2. Step 2: Convert to fraction form
    271,855.60/407,783.40 = 271,855.60/x
  3. Step 3: Cross multiply
    271,855.60x = 407,783.40 × 271,855.60
  4. Step 4: Simplify right side
    271,855.60x = 110,858,200,877.04
  5. Step 5: Solve for x
    x = 110,858,200,877.04/271,855.60
  6. Step 6: Final answer
    x = 407,783.40

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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.