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Finding the Fourth Proportional to 336,585.20, 504,626.70 and 203,437.40

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Solution

The fourth proportional to 336,585.20, 504,626.70 and 203,437.40 is: 305,004.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,585.20 : 504,626.70 = 203,437.40 : x
  2. Step 2: Convert to fraction form
    336,585.20/504,626.70 = 203,437.40/x
  3. Step 3: Cross multiply
    336,585.20x = 504,626.70 × 203,437.40
  4. Step 4: Simplify right side
    336,585.20x = 102,659,943,818.58
  5. Step 5: Solve for x
    x = 102,659,943,818.58/336,585.20
  6. Step 6: Final answer
    x = 305,004.33

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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.