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Finding the Fourth Proportional to 320,013.54, 441,600.37 and 191,097.48

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Solution

The fourth proportional to 320,013.54, 441,600.37 and 191,097.48 is: 263,703.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,013.54 : 441,600.37 = 191,097.48 : x
  2. Step 2: Convert to fraction form
    320,013.54/441,600.37 = 191,097.48/x
  3. Step 3: Cross multiply
    320,013.54x = 441,600.37 × 191,097.48
  4. Step 4: Simplify right side
    320,013.54x = 84,388,717,874.07
  5. Step 5: Solve for x
    x = 84,388,717,874.07/320,013.54
  6. Step 6: Final answer
    x = 263,703.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.