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Finding the Fourth Proportional to 339,357.01, 508,989.03 and 187,834.36

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Solution

The fourth proportional to 339,357.01, 508,989.03 and 187,834.36 is: 281,725.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,357.01 : 508,989.03 = 187,834.36 : x
  2. Step 2: Convert to fraction form
    339,357.01/508,989.03 = 187,834.36/x
  3. Step 3: Cross multiply
    339,357.01x = 508,989.03 × 187,834.36
  4. Step 4: Simplify right side
    339,357.01x = 95,605,628,697.07
  5. Step 5: Solve for x
    x = 95,605,628,697.07/339,357.01
  6. Step 6: Final answer
    x = 281,725.81

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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.