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Finding the Fourth Proportional to 273,254.96, 409,880.54 and 210,187.38

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Solution

The fourth proportional to 273,254.96, 409,880.54 and 210,187.38 is: 315,279.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,254.96 : 409,880.54 = 210,187.38 : x
  2. Step 2: Convert to fraction form
    273,254.96/409,880.54 = 210,187.38/x
  3. Step 3: Cross multiply
    273,254.96x = 409,880.54 × 210,187.38
  4. Step 4: Simplify right side
    273,254.96x = 86,151,716,815.59
  5. Step 5: Solve for x
    x = 86,151,716,815.59/273,254.96
  6. Step 6: Final answer
    x = 315,279.61

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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.