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Finding the Fourth Proportional to 496,158.89, 684,894.02 and 351,719.62

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Solution

The fourth proportional to 496,158.89, 684,894.02 and 351,719.62 is: 485,511.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,158.89 : 684,894.02 = 351,719.62 : x
  2. Step 2: Convert to fraction form
    496,158.89/684,894.02 = 351,719.62/x
  3. Step 3: Cross multiply
    496,158.89x = 684,894.02 × 351,719.62
  4. Step 4: Simplify right side
    496,158.89x = 240,890,660,983.84
  5. Step 5: Solve for x
    x = 240,890,660,983.84/496,158.89
  6. Step 6: Final answer
    x = 485,511.13

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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.