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Finding the Fourth Proportional to 227,497.40, 341,246.10 and 156,638.60

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Solution

The fourth proportional to 227,497.40, 341,246.10 and 156,638.60 is: 234,957.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,497.40 : 341,246.10 = 156,638.60 : x
  2. Step 2: Convert to fraction form
    227,497.40/341,246.10 = 156,638.60/x
  3. Step 3: Cross multiply
    227,497.40x = 341,246.10 × 156,638.60
  4. Step 4: Simplify right side
    227,497.40x = 53,452,311,359.46
  5. Step 5: Solve for x
    x = 53,452,311,359.46/227,497.40
  6. Step 6: Final answer
    x = 234,957.90

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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.