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Finding the Fourth Proportional to 336,782.63, 504,736.55 and 136,870.38

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Solution

The fourth proportional to 336,782.63, 504,736.55 and 136,870.38 is: 205,127.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,782.63 : 504,736.55 = 136,870.38 : x
  2. Step 2: Convert to fraction form
    336,782.63/504,736.55 = 136,870.38/x
  3. Step 3: Cross multiply
    336,782.63x = 504,736.55 × 136,870.38
  4. Step 4: Simplify right side
    336,782.63x = 69,083,483,227.30
  5. Step 5: Solve for x
    x = 69,083,483,227.30/336,782.63
  6. Step 6: Final answer
    x = 205,127.81

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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.