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Finding the Fourth Proportional to 633,575.58, 950,505.21 and 212,839.98

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Solution

The fourth proportional to 633,575.58, 950,505.21 and 212,839.98 is: 319,307.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,575.58 : 950,505.21 = 212,839.98 : x
  2. Step 2: Convert to fraction form
    633,575.58/950,505.21 = 212,839.98/x
  3. Step 3: Cross multiply
    633,575.58x = 950,505.21 × 212,839.98
  4. Step 4: Simplify right side
    633,575.58x = 202,305,509,886.30
  5. Step 5: Solve for x
    x = 202,305,509,886.30/633,575.58
  6. Step 6: Final answer
    x = 319,307.62

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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.