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Finding the Fourth Proportional to 271,399.20, 407,536.20 and 183,044.40

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Solution

The fourth proportional to 271,399.20, 407,536.20 and 183,044.40 is: 274,861.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,399.20 : 407,536.20 = 183,044.40 : x
  2. Step 2: Convert to fraction form
    271,399.20/407,536.20 = 183,044.40/x
  3. Step 3: Cross multiply
    271,399.20x = 407,536.20 × 183,044.40
  4. Step 4: Simplify right side
    271,399.20x = 74,597,219,207.28
  5. Step 5: Solve for x
    x = 74,597,219,207.28/271,399.20
  6. Step 6: Final answer
    x = 274,861.60

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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.