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Finding the Fourth Proportional to 493,295.10, 739,942.65 and 448,971.90

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Solution

The fourth proportional to 493,295.10, 739,942.65 and 448,971.90 is: 673,457.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,295.10 : 739,942.65 = 448,971.90 : x
  2. Step 2: Convert to fraction form
    493,295.10/739,942.65 = 448,971.90/x
  3. Step 3: Cross multiply
    493,295.10x = 739,942.65 × 448,971.90
  4. Step 4: Simplify right side
    493,295.10x = 332,213,457,461.54
  5. Step 5: Solve for x
    x = 332,213,457,461.54/493,295.10
  6. Step 6: Final answer
    x = 673,457.85

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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.