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Finding the Fourth Proportional to 493,170.92, 739,102.40 and 253,275.14

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Solution

The fourth proportional to 493,170.92, 739,102.40 and 253,275.14 is: 379,576.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,170.92 : 739,102.40 = 253,275.14 : x
  2. Step 2: Convert to fraction form
    493,170.92/739,102.40 = 253,275.14/x
  3. Step 3: Cross multiply
    493,170.92x = 739,102.40 × 253,275.14
  4. Step 4: Simplify right side
    493,170.92x = 187,196,263,834.34
  5. Step 5: Solve for x
    x = 187,196,263,834.34/493,170.92
  6. Step 6: Final answer
    x = 379,576.85

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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.