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Finding the Fourth Proportional to 336,107.70, 504,161.55 and 194,390.10

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Solution

The fourth proportional to 336,107.70, 504,161.55 and 194,390.10 is: 291,585.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,107.70 : 504,161.55 = 194,390.10 : x
  2. Step 2: Convert to fraction form
    336,107.70/504,161.55 = 194,390.10/x
  3. Step 3: Cross multiply
    336,107.70x = 504,161.55 × 194,390.10
  4. Step 4: Simplify right side
    336,107.70x = 98,004,014,120.66
  5. Step 5: Solve for x
    x = 98,004,014,120.66/336,107.70
  6. Step 6: Final answer
    x = 291,585.15

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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.