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Finding the Fourth Proportional to 494,878.15, 742,690.41 and 362,100.97

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Solution

The fourth proportional to 494,878.15, 742,690.41 and 362,100.97 is: 543,424.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,878.15 : 742,690.41 = 362,100.97 : x
  2. Step 2: Convert to fraction form
    494,878.15/742,690.41 = 362,100.97/x
  3. Step 3: Cross multiply
    494,878.15x = 742,690.41 × 362,100.97
  4. Step 4: Simplify right side
    494,878.15x = 268,928,917,870.70
  5. Step 5: Solve for x
    x = 268,928,917,870.70/494,878.15
  6. Step 6: Final answer
    x = 543,424.51

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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.