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Finding the Fourth Proportional to 481,804.20, 722,706.30 and 432,037.80

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Solution

The fourth proportional to 481,804.20, 722,706.30 and 432,037.80 is: 648,056.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,804.20 : 722,706.30 = 432,037.80 : x
  2. Step 2: Convert to fraction form
    481,804.20/722,706.30 = 432,037.80/x
  3. Step 3: Cross multiply
    481,804.20x = 722,706.30 × 432,037.80
  4. Step 4: Simplify right side
    481,804.20x = 312,236,439,898.14
  5. Step 5: Solve for x
    x = 312,236,439,898.14/481,804.20
  6. Step 6: Final answer
    x = 648,056.70

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Similar ratio
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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.