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Finding the Fourth Proportional to 370,611.37, 511,444.12 and 200,845.49

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Solution

The fourth proportional to 370,611.37, 511,444.12 and 200,845.49 is: 277,167.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,611.37 : 511,444.12 = 200,845.49 : x
  2. Step 2: Convert to fraction form
    370,611.37/511,444.12 = 200,845.49/x
  3. Step 3: Cross multiply
    370,611.37x = 511,444.12 × 200,845.49
  4. Step 4: Simplify right side
    370,611.37x = 102,721,244,889.02
  5. Step 5: Solve for x
    x = 102,721,244,889.02/370,611.37
  6. Step 6: Final answer
    x = 277,167.01

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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.