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Finding the Fourth Proportional to 475,954.20, 713,963.70 and 151,716.60

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Solution

The fourth proportional to 475,954.20, 713,963.70 and 151,716.60 is: 227,585.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,954.20 : 713,963.70 = 151,716.60 : x
  2. Step 2: Convert to fraction form
    475,954.20/713,963.70 = 151,716.60/x
  3. Step 3: Cross multiply
    475,954.20x = 713,963.70 × 151,716.60
  4. Step 4: Simplify right side
    475,954.20x = 108,320,145,087.42
  5. Step 5: Solve for x
    x = 108,320,145,087.42/475,954.20
  6. Step 6: Final answer
    x = 227,585.23

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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.