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Finding the Fourth Proportional to 503,612.50, 694,962.58 and 274,163.92

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Solution

The fourth proportional to 503,612.50, 694,962.58 and 274,163.92 is: 378,333.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,612.50 : 694,962.58 = 274,163.92 : x
  2. Step 2: Convert to fraction form
    503,612.50/694,962.58 = 274,163.92/x
  3. Step 3: Cross multiply
    503,612.50x = 694,962.58 × 274,163.92
  4. Step 4: Simplify right side
    503,612.50x = 190,533,665,186.11
  5. Step 5: Solve for x
    x = 190,533,665,186.11/503,612.50
  6. Step 6: Final answer
    x = 378,333.87

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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.