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Finding the Fourth Proportional to 320,245.36, 441,940.33 and 175,051.34

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Solution

The fourth proportional to 320,245.36, 441,940.33 and 175,051.34 is: 241,571.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,245.36 : 441,940.33 = 175,051.34 : x
  2. Step 2: Convert to fraction form
    320,245.36/441,940.33 = 175,051.34/x
  3. Step 3: Cross multiply
    320,245.36x = 441,940.33 × 175,051.34
  4. Step 4: Simplify right side
    320,245.36x = 77,362,246,966.54
  5. Step 5: Solve for x
    x = 77,362,246,966.54/320,245.36
  6. Step 6: Final answer
    x = 241,571.80

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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.