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Finding the Fourth Proportional to 481,382.64, 722,773.80 and 355,411.44

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Solution

The fourth proportional to 481,382.64, 722,773.80 and 355,411.44 is: 533,633.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,382.64 : 722,773.80 = 355,411.44 : x
  2. Step 2: Convert to fraction form
    481,382.64/722,773.80 = 355,411.44/x
  3. Step 3: Cross multiply
    481,382.64x = 722,773.80 × 355,411.44
  4. Step 4: Simplify right side
    481,382.64x = 256,882,077,052.27
  5. Step 5: Solve for x
    x = 256,882,077,052.27/481,382.64
  6. Step 6: Final answer
    x = 533,633.86

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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.