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Finding the Fourth Proportional to 437,339.58, 655,615.68 and 156,791.22

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Solution

The fourth proportional to 437,339.58, 655,615.68 and 156,791.22 is: 235,045.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,339.58 : 655,615.68 = 156,791.22 : x
  2. Step 2: Convert to fraction form
    437,339.58/655,615.68 = 156,791.22/x
  3. Step 3: Cross multiply
    437,339.58x = 655,615.68 × 156,791.22
  4. Step 4: Simplify right side
    437,339.58x = 102,794,782,318.33
  5. Step 5: Solve for x
    x = 102,794,782,318.33/437,339.58
  6. Step 6: Final answer
    x = 235,045.69

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1.5x scale

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.