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Finding the Fourth Proportional to 335,780.40, 504,059.40 and 202,810.80

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Solution

The fourth proportional to 335,780.40, 504,059.40 and 202,810.80 is: 304,451.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,780.40 : 504,059.40 = 202,810.80 : x
  2. Step 2: Convert to fraction form
    335,780.40/504,059.40 = 202,810.80/x
  3. Step 3: Cross multiply
    335,780.40x = 504,059.40 × 202,810.80
  4. Step 4: Simplify right side
    335,780.40x = 102,228,690,161.52
  5. Step 5: Solve for x
    x = 102,228,690,161.52/335,780.40
  6. Step 6: Final answer
    x = 304,451.03

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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.