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Finding the Fourth Proportional to 320,691.69, 481,203.45 and 232,671.69

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Solution

The fourth proportional to 320,691.69, 481,203.45 and 232,671.69 is: 349,127.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,691.69 : 481,203.45 = 232,671.69 : x
  2. Step 2: Convert to fraction form
    320,691.69/481,203.45 = 232,671.69/x
  3. Step 3: Cross multiply
    320,691.69x = 481,203.45 × 232,671.69
  4. Step 4: Simplify right side
    320,691.69x = 111,962,419,945.33
  5. Step 5: Solve for x
    x = 111,962,419,945.33/320,691.69
  6. Step 6: Final answer
    x = 349,127.91

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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.