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Finding the Fourth Proportional to 903,694.80, 1,354,596.39 and 304,448.88

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Solution

The fourth proportional to 903,694.80, 1,354,596.39 and 304,448.88 is: 456,354.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,694.80 : 1,354,596.39 = 304,448.88 : x
  2. Step 2: Convert to fraction form
    903,694.80/1,354,596.39 = 304,448.88/x
  3. Step 3: Cross multiply
    903,694.80x = 1,354,596.39 × 304,448.88
  4. Step 4: Simplify right side
    903,694.80x = 412,405,353,787.54
  5. Step 5: Solve for x
    x = 412,405,353,787.54/903,694.80
  6. Step 6: Final answer
    x = 456,354.68

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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.