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Finding the Fourth Proportional to 365,709.06, 504,475.29 and 212,730.03

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Solution

The fourth proportional to 365,709.06, 504,475.29 and 212,730.03 is: 293,449.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,709.06 : 504,475.29 = 212,730.03 : x
  2. Step 2: Convert to fraction form
    365,709.06/504,475.29 = 212,730.03/x
  3. Step 3: Cross multiply
    365,709.06x = 504,475.29 × 212,730.03
  4. Step 4: Simplify right side
    365,709.06x = 107,317,043,575.96
  5. Step 5: Solve for x
    x = 107,317,043,575.96/365,709.06
  6. Step 6: Final answer
    x = 293,449.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.