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Finding the Fourth Proportional to 589,793.44, 813,890.80 and 331,663.04

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Solution

The fourth proportional to 589,793.44, 813,890.80 and 331,663.04 is: 457,681.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,793.44 : 813,890.80 = 331,663.04 : x
  2. Step 2: Convert to fraction form
    589,793.44/813,890.80 = 331,663.04/x
  3. Step 3: Cross multiply
    589,793.44x = 813,890.80 × 331,663.04
  4. Step 4: Simplify right side
    589,793.44x = 269,937,496,956.03
  5. Step 5: Solve for x
    x = 269,937,496,956.03/589,793.44
  6. Step 6: Final answer
    x = 457,681.42

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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.