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Finding the Fourth Proportional to 437,182.10, 655,796.55 and 137,685.99

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Solution

The fourth proportional to 437,182.10, 655,796.55 and 137,685.99 is: 206,536.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,182.10 : 655,796.55 = 137,685.99 : x
  2. Step 2: Convert to fraction form
    437,182.10/655,796.55 = 137,685.99/x
  3. Step 3: Cross multiply
    437,182.10x = 655,796.55 × 137,685.99
  4. Step 4: Simplify right side
    437,182.10x = 90,293,997,225.33
  5. Step 5: Solve for x
    x = 90,293,997,225.33/437,182.10
  6. Step 6: Final answer
    x = 206,536.36

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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.