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Finding the Fourth Proportional to 435,932.28, 653,880.50 and 151,687.89

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Solution

The fourth proportional to 435,932.28, 653,880.50 and 151,687.89 is: 227,525.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,932.28 : 653,880.50 = 151,687.89 : x
  2. Step 2: Convert to fraction form
    435,932.28/653,880.50 = 151,687.89/x
  3. Step 3: Cross multiply
    435,932.28x = 653,880.50 × 151,687.89
  4. Step 4: Simplify right side
    435,932.28x = 99,185,753,167.54
  5. Step 5: Solve for x
    x = 99,185,753,167.54/435,932.28
  6. Step 6: Final answer
    x = 227,525.60

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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.