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Finding the Fourth Proportional to 303,891.84, 453,942.72 and 225,159.84

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Solution

The fourth proportional to 303,891.84, 453,942.72 and 225,159.84 is: 336,335.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,891.84 : 453,942.72 = 225,159.84 : x
  2. Step 2: Convert to fraction form
    303,891.84/453,942.72 = 225,159.84/x
  3. Step 3: Cross multiply
    303,891.84x = 453,942.72 × 225,159.84
  4. Step 4: Simplify right side
    303,891.84x = 102,209,670,204.37
  5. Step 5: Solve for x
    x = 102,209,670,204.37/303,891.84
  6. Step 6: Final answer
    x = 336,335.69

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.