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Finding the Fourth Proportional to 475,057.42, 712,651.74 and 159,604.54

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Solution

The fourth proportional to 475,057.42, 712,651.74 and 159,604.54 is: 239,428.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,057.42 : 712,651.74 = 159,604.54 : x
  2. Step 2: Convert to fraction form
    475,057.42/712,651.74 = 159,604.54/x
  3. Step 3: Cross multiply
    475,057.42x = 712,651.74 × 159,604.54
  4. Step 4: Simplify right side
    475,057.42x = 113,742,453,142.90
  5. Step 5: Solve for x
    x = 113,742,453,142.90/475,057.42
  6. Step 6: Final answer
    x = 239,428.85

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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.