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Finding the Fourth Proportional to 437,201.44, 655,825.66 and 137,705.45

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Solution

The fourth proportional to 437,201.44, 655,825.66 and 137,705.45 is: 206,565.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,201.44 : 655,825.66 = 137,705.45 : x
  2. Step 2: Convert to fraction form
    437,201.44/655,825.66 = 137,705.45/x
  3. Step 3: Cross multiply
    437,201.44x = 655,825.66 × 137,705.45
  4. Step 4: Simplify right side
    437,201.44x = 90,310,768,927.15
  5. Step 5: Solve for x
    x = 90,310,768,927.15/437,201.44
  6. Step 6: Final answer
    x = 206,565.58

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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.