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Finding the Fourth Proportional to 1,382,435, 2,073,652.50 and 331,811

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Solution

The fourth proportional to 1,382,435, 2,073,652.50 and 331,811 is: 497,716.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,435 : 2,073,652.50 = 331,811 : x
  2. Step 2: Convert to fraction form
    1,382,435/2,073,652.50 = 331,811/x
  3. Step 3: Cross multiply
    1,382,435x = 2,073,652.50 × 331,811
  4. Step 4: Simplify right side
    1,382,435x = 688,060,709,677.50
  5. Step 5: Solve for x
    x = 688,060,709,677.50/1,382,435
  6. Step 6: Final answer
    x = 497,716.50

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.