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Finding the Fourth Proportional to 336,568.90, 504,238.95 and 205,087.30

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Solution

The fourth proportional to 336,568.90, 504,238.95 and 205,087.30 is: 307,256.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,568.90 : 504,238.95 = 205,087.30 : x
  2. Step 2: Convert to fraction form
    336,568.90/504,238.95 = 205,087.30/x
  3. Step 3: Cross multiply
    336,568.90x = 504,238.95 × 205,087.30
  4. Step 4: Simplify right side
    336,568.90x = 103,413,004,810.34
  5. Step 5: Solve for x
    x = 103,413,004,810.34/336,568.90
  6. Step 6: Final answer
    x = 307,256.57

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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.