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Finding the Fourth Proportional to 336,626.39, 504,656.87 and 146,942.43

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Solution

The fourth proportional to 336,626.39, 504,656.87 and 146,942.43 is: 220,290.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,626.39 : 504,656.87 = 146,942.43 : x
  2. Step 2: Convert to fraction form
    336,626.39/504,656.87 = 146,942.43/x
  3. Step 3: Cross multiply
    336,626.39x = 504,656.87 × 146,942.43
  4. Step 4: Simplify right side
    336,626.39x = 74,155,506,059.28
  5. Step 5: Solve for x
    x = 74,155,506,059.28/336,626.39
  6. Step 6: Final answer
    x = 220,290.24

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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.