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Finding the Fourth Proportional to 499,757.06, 689,664.03 and 273,402.56

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Solution

The fourth proportional to 499,757.06, 689,664.03 and 273,402.56 is: 377,295.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,757.06 : 689,664.03 = 273,402.56 : x
  2. Step 2: Convert to fraction form
    499,757.06/689,664.03 = 273,402.56/x
  3. Step 3: Cross multiply
    499,757.06x = 689,664.03 × 273,402.56
  4. Step 4: Simplify right side
    499,757.06x = 188,555,911,341.92
  5. Step 5: Solve for x
    x = 188,555,911,341.92/499,757.06
  6. Step 6: Final answer
    x = 377,295.14

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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.