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Finding the Fourth Proportional to 499,751.47, 689,673.27 and 273,396.97

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Solution

The fourth proportional to 499,751.47, 689,673.27 and 273,396.97 is: 377,296.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,751.47 : 689,673.27 = 273,396.97 : x
  2. Step 2: Convert to fraction form
    499,751.47/689,673.27 = 273,396.97/x
  3. Step 3: Cross multiply
    499,751.47x = 689,673.27 × 273,396.97
  4. Step 4: Simplify right side
    499,751.47x = 188,554,582,307.99
  5. Step 5: Solve for x
    x = 188,554,582,307.99/499,751.47
  6. Step 6: Final answer
    x = 377,296.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.