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Finding the Fourth Proportional to 506,433.53, 698,872.61 and 276,997.41

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Solution

The fourth proportional to 506,433.53, 698,872.61 and 276,997.41 is: 382,253.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,433.53 : 698,872.61 = 276,997.41 : x
  2. Step 2: Convert to fraction form
    506,433.53/698,872.61 = 276,997.41/x
  3. Step 3: Cross multiply
    506,433.53x = 698,872.61 × 276,997.41
  4. Step 4: Simplify right side
    506,433.53x = 193,585,903,582.43
  5. Step 5: Solve for x
    x = 193,585,903,582.43/506,433.53
  6. Step 6: Final answer
    x = 382,253.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.