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Finding the Fourth Proportional to 608,052.84, 839,273.63 and 349,961.55

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Solution

The fourth proportional to 608,052.84, 839,273.63 and 349,961.55 is: 483,039.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,052.84 : 839,273.63 = 349,961.55 : x
  2. Step 2: Convert to fraction form
    608,052.84/839,273.63 = 349,961.55/x
  3. Step 3: Cross multiply
    608,052.84x = 839,273.63 × 349,961.55
  4. Step 4: Simplify right side
    608,052.84x = 293,713,498,679.12
  5. Step 5: Solve for x
    x = 293,713,498,679.12/608,052.84
  6. Step 6: Final answer
    x = 483,039.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.