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Finding the Fourth Proportional to 634,687.28, 951,564.36 and 302,496.56

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Solution

The fourth proportional to 634,687.28, 951,564.36 and 302,496.56 is: 453,522.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,687.28 : 951,564.36 = 302,496.56 : x
  2. Step 2: Convert to fraction form
    634,687.28/951,564.36 = 302,496.56/x
  3. Step 3: Cross multiply
    634,687.28x = 951,564.36 × 302,496.56
  4. Step 4: Simplify right side
    634,687.28x = 287,844,945,518.60
  5. Step 5: Solve for x
    x = 287,844,945,518.60/634,687.28
  6. Step 6: Final answer
    x = 453,522.47

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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.