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Finding the Fourth Proportional to 530,463.65, 795,687.68 and 131,104.46

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Solution

The fourth proportional to 530,463.65, 795,687.68 and 131,104.46 is: 196,654.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,463.65 : 795,687.68 = 131,104.46 : x
  2. Step 2: Convert to fraction form
    530,463.65/795,687.68 = 131,104.46/x
  3. Step 3: Cross multiply
    530,463.65x = 795,687.68 × 131,104.46
  4. Step 4: Simplify right side
    530,463.65x = 104,318,198,981.09
  5. Step 5: Solve for x
    x = 104,318,198,981.09/530,463.65
  6. Step 6: Final answer
    x = 196,654.75

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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.