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Finding the Fourth Proportional to 267,497,892.40, 401,246,838.60 and 239,437,807.60

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Solution

The fourth proportional to 267,497,892.40, 401,246,838.60 and 239,437,807.60 is: 359,156,711.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,497,892.40 : 401,246,838.60 = 239,437,807.60 : x
  2. Step 2: Convert to fraction form
    267,497,892.40/401,246,838.60 = 239,437,807.60/x
  3. Step 3: Cross multiply
    267,497,892.40x = 401,246,838.60 × 239,437,807.60
  4. Step 4: Simplify right side
    267,497,892.40x = 96,073,663,340,815,056
  5. Step 5: Solve for x
    x = 96,073,663,340,815,056/267,497,892.40
  6. Step 6: Final answer
    x = 359,156,711.40

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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.