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Finding the Fourth Proportional to 437,195.34, 655,816.52 and 137,699.36

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Solution

The fourth proportional to 437,195.34, 655,816.52 and 137,699.36 is: 206,556.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,195.34 : 655,816.52 = 137,699.36 : x
  2. Step 2: Convert to fraction form
    437,195.34/655,816.52 = 137,699.36/x
  3. Step 3: Cross multiply
    437,195.34x = 655,816.52 × 137,699.36
  4. Step 4: Simplify right side
    437,195.34x = 90,305,513,831.35
  5. Step 5: Solve for x
    x = 90,305,513,831.35/437,195.34
  6. Step 6: Final answer
    x = 206,556.44

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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.