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Finding the Fourth Proportional to 336,679.85, 504,371.85 and 210,369.66

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Solution

The fourth proportional to 336,679.85, 504,371.85 and 210,369.66 is: 315,149.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,679.85 : 504,371.85 = 210,369.66 : x
  2. Step 2: Convert to fraction form
    336,679.85/504,371.85 = 210,369.66/x
  3. Step 3: Cross multiply
    336,679.85x = 504,371.85 × 210,369.66
  4. Step 4: Simplify right side
    336,679.85x = 106,104,534,598.07
  5. Step 5: Solve for x
    x = 106,104,534,598.07/336,679.85
  6. Step 6: Final answer
    x = 315,149.65

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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.