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Finding the Fourth Proportional to 493,758.68, 740,522.46 and 138,806.60

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Solution

The fourth proportional to 493,758.68, 740,522.46 and 138,806.60 is: 208,177.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,758.68 : 740,522.46 = 138,806.60 : x
  2. Step 2: Convert to fraction form
    493,758.68/740,522.46 = 138,806.60/x
  3. Step 3: Cross multiply
    493,758.68x = 740,522.46 × 138,806.60
  4. Step 4: Simplify right side
    493,758.68x = 102,789,404,896.24
  5. Step 5: Solve for x
    x = 102,789,404,896.24/493,758.68
  6. Step 6: Final answer
    x = 208,177.41

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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.