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Finding the Fourth Proportional to 320,012.54, 441,599.00 and 191,096.48

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Solution

The fourth proportional to 320,012.54, 441,599.00 and 191,096.48 is: 263,702.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,012.54 : 441,599.00 = 191,096.48 : x
  2. Step 2: Convert to fraction form
    320,012.54/441,599.00 = 191,096.48/x
  3. Step 3: Cross multiply
    320,012.54x = 441,599.00 × 191,096.48
  4. Step 4: Simplify right side
    320,012.54x = 84,388,014,620.04
  5. Step 5: Solve for x
    x = 84,388,014,620.04/320,012.54
  6. Step 6: Final answer
    x = 263,702.21

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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.