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Finding the Fourth Proportional to 227,520.40, 341,280.60 and 156,661.60

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Solution

The fourth proportional to 227,520.40, 341,280.60 and 156,661.60 is: 234,992.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,520.40 : 341,280.60 = 156,661.60 : x
  2. Step 2: Convert to fraction form
    227,520.40/341,280.60 = 156,661.60/x
  3. Step 3: Cross multiply
    227,520.40x = 341,280.60 × 156,661.60
  4. Step 4: Simplify right side
    227,520.40x = 53,465,564,844.96
  5. Step 5: Solve for x
    x = 53,465,564,844.96/227,520.40
  6. Step 6: Final answer
    x = 234,992.40

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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.