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Finding the Fourth Proportional to 503,176, 694,382.88 and 276,816.64

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Solution

The fourth proportional to 503,176, 694,382.88 and 276,816.64 is: 382,006.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,176 : 694,382.88 = 276,816.64 : x
  2. Step 2: Convert to fraction form
    503,176/694,382.88 = 276,816.64/x
  3. Step 3: Cross multiply
    503,176x = 694,382.88 × 276,816.64
  4. Step 4: Simplify right side
    503,176x = 192,216,735,715.12
  5. Step 5: Solve for x
    x = 192,216,735,715.12/503,176
  6. Step 6: Final answer
    x = 382,006.96

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