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Finding the Fourth Proportional to 335,812.40, 504,107.40 and 202,842.80

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Solution

The fourth proportional to 335,812.40, 504,107.40 and 202,842.80 is: 304,499.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,812.40 : 504,107.40 = 202,842.80 : x
  2. Step 2: Convert to fraction form
    335,812.40/504,107.40 = 202,842.80/x
  3. Step 3: Cross multiply
    335,812.40x = 504,107.40 × 202,842.80
  4. Step 4: Simplify right side
    335,812.40x = 102,254,556,516.72
  5. Step 5: Solve for x
    x = 102,254,556,516.72/335,812.40
  6. Step 6: Final answer
    x = 304,499.05

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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.