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Finding the Fourth Proportional to 273,376.80, 410,065.20 and 223,513.20

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Solution

The fourth proportional to 273,376.80, 410,065.20 and 223,513.20 is: 335,269.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,376.80 : 410,065.20 = 223,513.20 : x
  2. Step 2: Convert to fraction form
    273,376.80/410,065.20 = 223,513.20/x
  3. Step 3: Cross multiply
    273,376.80x = 410,065.20 × 223,513.20
  4. Step 4: Simplify right side
    273,376.80x = 91,654,985,060.64
  5. Step 5: Solve for x
    x = 91,654,985,060.64/273,376.80
  6. Step 6: Final answer
    x = 335,269.80

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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.