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Finding the Fourth Proportional to 324,350.34, 486,637.83 and 134,912.94

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Solution

The fourth proportional to 324,350.34, 486,637.83 and 134,912.94 is: 202,416.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,350.34 : 486,637.83 = 134,912.94 : x
  2. Step 2: Convert to fraction form
    324,350.34/486,637.83 = 134,912.94/x
  3. Step 3: Cross multiply
    324,350.34x = 486,637.83 × 134,912.94
  4. Step 4: Simplify right side
    324,350.34x = 65,653,740,360.52
  5. Step 5: Solve for x
    x = 65,653,740,360.52/324,350.34
  6. Step 6: Final answer
    x = 202,416.13

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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.