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Finding the Fourth Proportional to 273,811.40, 410,976.30 and 168,835.40

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Solution

The fourth proportional to 273,811.40, 410,976.30 and 168,835.40 is: 253,412.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,811.40 : 410,976.30 = 168,835.40 : x
  2. Step 2: Convert to fraction form
    273,811.40/410,976.30 = 168,835.40/x
  3. Step 3: Cross multiply
    273,811.40x = 410,976.30 × 168,835.40
  4. Step 4: Simplify right side
    273,811.40x = 69,387,348,001.02
  5. Step 5: Solve for x
    x = 69,387,348,001.02/273,811.40
  6. Step 6: Final answer
    x = 253,412.93

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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.