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Finding the Fourth Proportional to 481,801.16, 722,455.71 and 178,179.95

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Solution

The fourth proportional to 481,801.16, 722,455.71 and 178,179.95 is: 267,178.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,801.16 : 722,455.71 = 178,179.95 : x
  2. Step 2: Convert to fraction form
    481,801.16/722,455.71 = 178,179.95/x
  3. Step 3: Cross multiply
    481,801.16x = 722,455.71 × 178,179.95
  4. Step 4: Simplify right side
    481,801.16x = 128,727,123,422.98
  5. Step 5: Solve for x
    x = 128,727,123,422.98/481,801.16
  6. Step 6: Final answer
    x = 267,178.94

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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.