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Finding the Fourth Proportional to 273,406.40, 410,109.60 and 248,474.60

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Solution

The fourth proportional to 273,406.40, 410,109.60 and 248,474.60 is: 372,711.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,406.40 : 410,109.60 = 248,474.60 : x
  2. Step 2: Convert to fraction form
    273,406.40/410,109.60 = 248,474.60/x
  3. Step 3: Cross multiply
    273,406.40x = 410,109.60 × 248,474.60
  4. Step 4: Simplify right side
    273,406.40x = 101,901,818,816.16
  5. Step 5: Solve for x
    x = 101,901,818,816.16/273,406.40
  6. Step 6: Final answer
    x = 372,711.90

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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.