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Finding the Fourth Proportional to 633,389.28, 950,222.16 and 212,654.04

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Solution

The fourth proportional to 633,389.28, 950,222.16 and 212,654.04 is: 319,027.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,389.28 : 950,222.16 = 212,654.04 : x
  2. Step 2: Convert to fraction form
    633,389.28/950,222.16 = 212,654.04/x
  3. Step 3: Cross multiply
    633,389.28x = 950,222.16 × 212,654.04
  4. Step 4: Simplify right side
    633,389.28x = 202,068,581,221.53
  5. Step 5: Solve for x
    x = 202,068,581,221.53/633,389.28
  6. Step 6: Final answer
    x = 319,027.47

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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.