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Finding the Fourth Proportional to 336,387.70, 504,482.49 and 125,976.43

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Solution

The fourth proportional to 336,387.70, 504,482.49 and 125,976.43 is: 188,927.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,387.70 : 504,482.49 = 125,976.43 : x
  2. Step 2: Convert to fraction form
    336,387.70/504,482.49 = 125,976.43/x
  3. Step 3: Cross multiply
    336,387.70x = 504,482.49 × 125,976.43
  4. Step 4: Simplify right side
    336,387.70x = 63,552,903,087.71
  5. Step 5: Solve for x
    x = 63,552,903,087.71/336,387.70
  6. Step 6: Final answer
    x = 188,927.55

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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.