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Finding the Fourth Proportional to 503,295.50, 694,552.65 and 276,945.86

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Solution

The fourth proportional to 503,295.50, 694,552.65 and 276,945.86 is: 382,187.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,295.50 : 694,552.65 = 276,945.86 : x
  2. Step 2: Convert to fraction form
    503,295.50/694,552.65 = 276,945.86/x
  3. Step 3: Cross multiply
    503,295.50x = 694,552.65 × 276,945.86
  4. Step 4: Simplify right side
    503,295.50x = 192,353,480,969.53
  5. Step 5: Solve for x
    x = 192,353,480,969.53/503,295.50
  6. Step 6: Final answer
    x = 382,187.96

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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.