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Finding the Fourth Proportional to 558,940.93, 838,425.18 and 203,954.84

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Solution

The fourth proportional to 558,940.93, 838,425.18 and 203,954.84 is: 305,937.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,940.93 : 838,425.18 = 203,954.84 : x
  2. Step 2: Convert to fraction form
    558,940.93/838,425.18 = 203,954.84/x
  3. Step 3: Cross multiply
    558,940.93x = 838,425.18 × 203,954.84
  4. Step 4: Simplify right side
    558,940.93x = 171,000,869,650.35
  5. Step 5: Solve for x
    x = 171,000,869,650.35/558,940.93
  6. Step 6: Final answer
    x = 305,937.28

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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.