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Finding the Fourth Proportional to 608,641,193.67, 913,552,156.73 and 293,728,839.68

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Solution

The fourth proportional to 608,641,193.67, 913,552,156.73 and 293,728,839.68 is: 440,878,168.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,641,193.67 : 913,552,156.73 = 293,728,839.68 : x
  2. Step 2: Convert to fraction form
    608,641,193.67/913,552,156.73 = 293,728,839.68/x
  3. Step 3: Cross multiply
    608,641,193.67x = 913,552,156.73 × 293,728,839.68
  4. Step 4: Simplify right side
    608,641,193.67x = 268,336,614,979,630,976
  5. Step 5: Solve for x
    x = 268,336,614,979,630,976/608,641,193.67
  6. Step 6: Final answer
    x = 440,878,168.90

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.