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Finding the Fourth Proportional to 499,792.36, 689,730.02 and 273,437.96

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Solution

The fourth proportional to 499,792.36, 689,730.02 and 273,437.96 is: 377,353.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,792.36 : 689,730.02 = 273,437.96 : x
  2. Step 2: Convert to fraction form
    499,792.36/689,730.02 = 273,437.96/x
  3. Step 3: Cross multiply
    499,792.36x = 689,730.02 × 273,437.96
  4. Step 4: Simplify right side
    499,792.36x = 188,598,369,619.56
  5. Step 5: Solve for x
    x = 188,598,369,619.56/499,792.36
  6. Step 6: Final answer
    x = 377,353.45

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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.