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Finding the Fourth Proportional to 634,592.84, 951,892.54 and 213,872.36

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Solution

The fourth proportional to 634,592.84, 951,892.54 and 213,872.36 is: 320,809.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,592.84 : 951,892.54 = 213,872.36 : x
  2. Step 2: Convert to fraction form
    634,592.84/951,892.54 = 213,872.36/x
  3. Step 3: Cross multiply
    634,592.84x = 951,892.54 × 213,872.36
  4. Step 4: Simplify right side
    634,592.84x = 203,583,498,702.05
  5. Step 5: Solve for x
    x = 203,583,498,702.05/634,592.84
  6. Step 6: Final answer
    x = 320,809.64

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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.