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Finding the Fourth Proportional to 227,495.20, 341,242.80 and 156,636.40

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Solution

The fourth proportional to 227,495.20, 341,242.80 and 156,636.40 is: 234,954.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,495.20 : 341,242.80 = 156,636.40 : x
  2. Step 2: Convert to fraction form
    227,495.20/341,242.80 = 156,636.40/x
  3. Step 3: Cross multiply
    227,495.20x = 341,242.80 × 156,636.40
  4. Step 4: Simplify right side
    227,495.20x = 53,451,043,717.92
  5. Step 5: Solve for x
    x = 53,451,043,717.92/227,495.20
  6. Step 6: Final answer
    x = 234,954.60

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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.