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Finding the Fourth Proportional to 335,840.40, 504,149.40 and 202,870.80

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Solution

The fourth proportional to 335,840.40, 504,149.40 and 202,870.80 is: 304,541.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,840.40 : 504,149.40 = 202,870.80 : x
  2. Step 2: Convert to fraction form
    335,840.40/504,149.40 = 202,870.80/x
  3. Step 3: Cross multiply
    335,840.40x = 504,149.40 × 202,870.80
  4. Step 4: Simplify right side
    335,840.40x = 102,277,192,097.52
  5. Step 5: Solve for x
    x = 102,277,192,097.52/335,840.40
  6. Step 6: Final answer
    x = 304,541.06

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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.