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Finding the Fourth Proportional to 336,069.10, 504,103.65 and 211,653.10

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Solution

The fourth proportional to 336,069.10, 504,103.65 and 211,653.10 is: 317,479.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,069.10 : 504,103.65 = 211,653.10 : x
  2. Step 2: Convert to fraction form
    336,069.10/504,103.65 = 211,653.10/x
  3. Step 3: Cross multiply
    336,069.10x = 504,103.65 × 211,653.10
  4. Step 4: Simplify right side
    336,069.10x = 106,695,100,243.82
  5. Step 5: Solve for x
    x = 106,695,100,243.82/336,069.10
  6. Step 6: Final answer
    x = 317,479.65

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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.