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Finding the Fourth Proportional to 451,425.49, 676,941.37 and 170,745.91

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Solution

The fourth proportional to 451,425.49, 676,941.37 and 170,745.91 is: 256,044.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,425.49 : 676,941.37 = 170,745.91 : x
  2. Step 2: Convert to fraction form
    451,425.49/676,941.37 = 170,745.91/x
  3. Step 3: Cross multiply
    451,425.49x = 676,941.37 × 170,745.91
  4. Step 4: Simplify right side
    451,425.49x = 115,584,970,237.30
  5. Step 5: Solve for x
    x = 115,584,970,237.30/451,425.49
  6. Step 6: Final answer
    x = 256,044.40

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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.