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Finding the Fourth Proportional to 267,496,276.40, 401,244,414.60 and 239,436,191.60

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Solution

The fourth proportional to 267,496,276.40, 401,244,414.60 and 239,436,191.60 is: 359,154,287.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,496,276.40 : 401,244,414.60 = 239,436,191.60 : x
  2. Step 2: Convert to fraction form
    267,496,276.40/401,244,414.60 = 239,436,191.60/x
  3. Step 3: Cross multiply
    267,496,276.40x = 401,244,414.60 × 239,436,191.60
  4. Step 4: Simplify right side
    267,496,276.40x = 96,072,434,532,595,440
  5. Step 5: Solve for x
    x = 96,072,434,532,595,440/267,496,276.40
  6. Step 6: Final answer
    x = 359,154,287.40

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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.