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Finding the Fourth Proportional to 365,572.29, 548,369.67 and 99,338.46

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Solution

The fourth proportional to 365,572.29, 548,369.67 and 99,338.46 is: 149,010.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,572.29 : 548,369.67 = 99,338.46 : x
  2. Step 2: Convert to fraction form
    365,572.29/548,369.67 = 99,338.46/x
  3. Step 3: Cross multiply
    365,572.29x = 548,369.67 × 99,338.46
  4. Step 4: Simplify right side
    365,572.29x = 54,474,198,528.51
  5. Step 5: Solve for x
    x = 54,474,198,528.51/365,572.29
  6. Step 6: Final answer
    x = 149,010.74

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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.