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Finding the Fourth Proportional to 996,544.80, 1,491,706.80 and 785,037.60

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Solution

The fourth proportional to 996,544.80, 1,491,706.80 and 785,037.60 is: 1,175,106.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,544.80 : 1,491,706.80 = 785,037.60 : x
  2. Step 2: Convert to fraction form
    996,544.80/1,491,706.80 = 785,037.60/x
  3. Step 3: Cross multiply
    996,544.80x = 1,491,706.80 × 785,037.60
  4. Step 4: Simplify right side
    996,544.80x = 1,171,045,926,175.68
  5. Step 5: Solve for x
    x = 1,171,045,926,175.68/996,544.80
  6. Step 6: Final answer
    x = 1,175,106.15

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Why These Related Problems?

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