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Finding the Fourth Proportional to 336,643.26, 504,528.48 and 136,729.50

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Solution

The fourth proportional to 336,643.26, 504,528.48 and 136,729.50 is: 204,917.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,643.26 : 504,528.48 = 136,729.50 : x
  2. Step 2: Convert to fraction form
    336,643.26/504,528.48 = 136,729.50/x
  3. Step 3: Cross multiply
    336,643.26x = 504,528.48 × 136,729.50
  4. Step 4: Simplify right side
    336,643.26x = 68,983,926,806.16
  5. Step 5: Solve for x
    x = 68,983,926,806.16/336,643.26
  6. Step 6: Final answer
    x = 204,917.00

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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.