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Finding the Fourth Proportional to 605,690.10, 908,737.38 and 268,684.38

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Solution

The fourth proportional to 605,690.10, 908,737.38 and 268,684.38 is: 403,116.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,690.10 : 908,737.38 = 268,684.38 : x
  2. Step 2: Convert to fraction form
    605,690.10/908,737.38 = 268,684.38/x
  3. Step 3: Cross multiply
    605,690.10x = 908,737.38 × 268,684.38
  4. Step 4: Simplify right side
    605,690.10x = 244,163,539,528.12
  5. Step 5: Solve for x
    x = 244,163,539,528.12/605,690.10
  6. Step 6: Final answer
    x = 403,116.28

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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.