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Finding the Fourth Proportional to 273,431.10, 410,146.65 and 245,874.90

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Solution

The fourth proportional to 273,431.10, 410,146.65 and 245,874.90 is: 368,812.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,431.10 : 410,146.65 = 245,874.90 : x
  2. Step 2: Convert to fraction form
    273,431.10/410,146.65 = 245,874.90/x
  3. Step 3: Cross multiply
    273,431.10x = 410,146.65 × 245,874.90
  4. Step 4: Simplify right side
    273,431.10x = 100,844,766,554.09
  5. Step 5: Solve for x
    x = 100,844,766,554.09/273,431.10
  6. Step 6: Final answer
    x = 368,812.35

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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.